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pytest plugin re-runs all tests if a crash occurs inside a pytest_runtestloop hook when using pytest-xdist #24846

Closed as duplicate

Description

@DetachHead

Type: Bug

Behaviour

when a crash occurs inside a pytest_runtestloop hook while the xdist plugin is active, it will attempt to re-run all tests.

Steps to reproduce:

  1. create the following files:

    # tests/test_foo.py
    
    from pytest import mark
    
    
    @mark.parametrize('i', list(range(2)))
    def test_asdf(i: int):
        pass
    # tests/conftest.py
    
    from pytest import Session, hookimpl
    
    @hookimpl(tryfirst=True)
    def pytest_runtestloop(session: Session):
        raise Exception(f'failed running tests with args: {session.config.args}')
    // .vscode/settings.json
    
    {
        "python.testing.pytestArgs": [
            "tests", "-n", "auto"
        ],
        "python.testing.unittestEnabled": false,
        "python.testing.pytestEnabled": true
    }
  2. use the test explorer to run the parametrized test:
    Image

  3. check the test results tab. notice there are two separate crashes:

    INTERNALERROR> Exception: failed running tests with args: ['c:\\Users\\user\\asdf2\\tests\\test_foo.py::test_asdf[0]', 'c:\\Users\\user\\asdf2\\tests\\test_foo.py::test_asdf[1]']
    
    INTERNALERROR> Exception: failed running tests with args: ['c:\\Users\\user\\asdf2']
    

the first crash is expected, but the second one is not. it seems to be re-running pytest after the crash with the project root as the only argument, which tells pytest to run all tests in the project.

Extension version: 2025.1.2025022102
VS Code version: Code 1.97.2 (e54c774e0add60467559eb0d1e229c6452cf8447, 2025-02-12T23:20:35.343Z)
OS version: Windows_NT x64 10.0.22621
Modes:

Activity

  1. changed the title [-]pytest plugin re-runs all tests if a crash occurs inside a `pytest_runtestloop` hook[/-] [+]pytest plugin re-runs all tests if a crash occurs inside a `pytest_runtestloop` hook when using pytest-xdist[/+] on Feb 25, 2025
  2. eleanorjboyd commented on Mar 3, 2025

    @eleanorjboyd

    hi! Thanks for the detailed issue. First question, do you get errors during discovery like so:

    Image

    secondly, I am not able to see the double exception failed running tests with args. Could you update the conftest file to add in the os.getpid() as this will help determine if those are coming from different subprocesses.

    # conftest.py
    
    from pytest import hookimpl, PytestPluginManager
    import os
    
    def pytest_plugin_registered(plugin: object, manager: PytestPluginManager):
        print("pid here", os.getpid())
    
    
    @hookimpl(tryfirst=True)
    def pytest_runtestloop(session):
        print(f"inside the runTestloop {os.getpid()}")
        print("in the loop")
        raise Exception(
            f"failed running tests with args: {session.config.args}. {os.getpid()}"
        )
    
    
  3. DetachHead commented on Mar 4, 2025

    @DetachHead
    Author

    hi! Thanks for the detailed issue. First question, do you get errors during discovery like so:

    yes i do, sorry i didn't notice that when i was creating my repro, but it prints the following error during collection:

    INTERNALERROR> Exception: failed running tests with args: ['tests']
    

    although the issue still occurs when i update the pytest_runtestloop hook to not crash during collection:

    from pytest import Session, hookimpl
    
    @hookimpl(tryfirst=True)
    def pytest_runtestloop(session: Session):
        if not session.config.option.collectonly:
            raise Exception(f'failed running tests with args: {session.config.args}')

    secondly, I am not able to see the double exception failed running tests with args. Could you update the conftest file to add in the os.getpid() as this will help determine if those are coming from different subprocesses.

    output from collection

    pid here 39276
    pid here 39276
    pid here 39276
    pid here 39276
    pid here 39276
    pid here 39276
    pid here 39276
    ============================= test session starts =============================
    platform win32 -- Python 3.13.1, pytest-8.3.4, pluggy-1.5.0
    rootdir: c:\Users\user\asdf2
    configfile: pyproject.toml
    plugins: xdist-3.6.1
    collected 2 items
    
    <Dir asdf2>
      <Package tests>
        <Module test_foo.py>
          <Function test_asdf[0]>
          <Function test_asdf[1]>
    inside the runTestloop 39276
    in the loop
    INTERNALERROR> Traceback (most recent call last):
    INTERNALERROR>   File "C:\Users\user\asdf2\.venv\Lib\site-packages\_pytest\main.py", line 283, in wrap_session
    INTERNALERROR>     session.exitstatus = doit(config, session) or 0
    INTERNALERROR>                          ~~~~^^^^^^^^^^^^^^^^^
    INTERNALERROR>   File "C:\Users\user\asdf2\.venv\Lib\site-packages\_pytest\main.py", line 337, in _main
    INTERNALERROR>     config.hook.pytest_runtestloop(session=session)
    INTERNALERROR>     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^
    INTERNALERROR>   File "C:\Users\user\asdf2\.venv\Lib\site-packages\pluggy\_hooks.py", line 513, in __call__
    INTERNALERROR>     return self._hookexec(self.name, self._hookimpls.copy(), kwargs, firstresult)
    INTERNALERROR>            ~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    INTERNALERROR>   File "C:\Users\user\asdf2\.venv\Lib\site-packages\pluggy\_manager.py", line 120, in _hookexec
    INTERNALERROR>     return self._inner_hookexec(hook_name, methods, kwargs, firstresult)
    INTERNALERROR>            ~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    INTERNALERROR>   File "C:\Users\user\asdf2\.venv\Lib\site-packages\pluggy\_callers.py", line 139, in _multicall
    INTERNALERROR>     raise exception.with_traceback(exception.__traceback__)
    INTERNALERROR>   File "C:\Users\user\asdf2\.venv\Lib\site-packages\pluggy\_callers.py", line 122, in _multicall
    INTERNALERROR>     teardown.throw(exception)  # type: ignore[union-attr]
    INTERNALERROR>     ~~~~~~~~~~~~~~^^^^^^^^^^^
    INTERNALERROR>   File "C:\Users\user\asdf2\.venv\Lib\site-packages\_pytest\logging.py", line 795, in pytest_runtestloop
    INTERNALERROR>     return (yield)
    INTERNALERROR>             ^^^^^
    INTERNALERROR>   File "C:\Users\user\asdf2\.venv\Lib\site-packages\pluggy\_callers.py", line 122, in _multicall
    INTERNALERROR>     teardown.throw(exception)  # type: ignore[union-attr]
    INTERNALERROR>     ~~~~~~~~~~~~~~^^^^^^^^^^^
    INTERNALERROR>   File "C:\Users\user\asdf2\.venv\Lib\site-packages\_pytest\terminal.py", line 673, in pytest_runtestloop
    INTERNALERROR>     result = yield
    INTERNALERROR>              ^^^^^
    INTERNALERROR>   File "C:\Users\user\asdf2\.venv\Lib\site-packages\pluggy\_callers.py", line 103, in _multicall
    INTERNALERROR>     res = hook_impl.function(*args)
    INTERNALERROR>   File "c:\Users\user\asdf2\tests\conftest.py", line 14, in pytest_runtestloop
    INTERNALERROR>     raise Exception(
    INTERNALERROR>         f"failed running tests with args: {session.config.args}. {os.getpid()}"
    INTERNALERROR>     )
    INTERNALERROR> Exception: failed running tests with args: ['tests']. 39276
    
    ========================= 2 tests collected in 0.05s ==========================
    Starting now, all test run output will be sent to the Test Result panel, while test discovery output will be sent to the "Python" output channel instead of the "Python Test Log" channel. The "Python Test Log" channel will be deprecated within the next month. See https://github.com/microsoft/vscode-python/wiki/New-Method-for-Output-Handling-in-Python-Testing for details.
    

    output from run

    Running pytest with args: ['-p', 'vscode_pytest', '-n', 'auto', '--rootdir=c:\\Users\\user\\asdf2', 'c:\\Users\\user\\asdf2\\tests\\test_foo.py::test_asdf[0]', 'c:\\Users\\user\\asdf2\\tests\\test_foo.py::test_asdf[1]']
    pid here 37080
    pid here 37080
    pid here 37080
    pid here 37080
    pid here 37080
    pid here 37080
    pid here 37080
    pid here 37080
    pid here 37080
    ============================= test session starts =============================
    platform win32 -- Python 3.13.1, pytest-8.3.4, pluggy-1.5.0
    rootdir: c:\Users\user\asdf2
    configfile: pyproject.toml
    plugins: xdist-3.6.1
    created: 2/2 workers
    pid here 37080
    pid here 37080
    inside the runTestloop 37080
    in the loop
    pid here 37080
    pid here 37080
    pid here 37080
    pid here 37080
    pid here 37080
    pid here 37080
    pid here 37080
    pid here 37080
    pid here 37080
    pid here 37080
    pid here 37080
    pid here 37080
    pid here 37080
    pid here 37080
    pid here 37080
    pid here 37080
    pid here 37080
    pid here 37080
    pid here 37080
    pid here 37080
    pid here 37080
    pid here 37080
    pid here 37080
    pid here 37080
    pid here 37080
    pid here 37080
    pid here 37080
    pid here 37080
    pid here 37080
    pid here 37080
    pid here 37080
    pid here 37080
    pid here 37080
    pid here 37080
    pid here 37080
    pid here 37080
    pid here 37080
    pid here 37080
    pid here 37080
    INTERNALERROR> Traceback (most recent call last):
    INTERNALERROR>   File "C:\Users\user\asdf2\.venv\Lib\site-packages\_pytest\main.py", line 283, in wrap_session
    INTERNALERROR>     session.exitstatus = doit(config, session) or 0
    INTERNALERROR>                          ~~~~^^^^^^^^^^^^^^^^^
    INTERNALERROR>   File "C:\Users\user\asdf2\.venv\Lib\site-packages\_pytest\main.py", line 337, in _main
    INTERNALERROR>     config.hook.pytest_runtestloop(session=session)
    INTERNALERROR>     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^
    INTERNALERROR>   File "C:\Users\user\asdf2\.venv\Lib\site-packages\pluggy\_hooks.py", line 513, in __call__
    INTERNALERROR>     return self._hookexec(self.name, self._hookimpls.copy(), kwargs, firstresult)
    INTERNALERROR>            ~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    INTERNALERROR>   File "C:\Users\user\asdf2\.venv\Lib\site-packages\pluggy\_manager.py", line 120, in _hookexec
    INTERNALERROR>     return self._inner_hookexec(hook_name, methods, kwargs, firstresult)
    INTERNALERROR>            ~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    INTERNALERROR>   File "C:\Users\user\asdf2\.venv\Lib\site-packages\pluggy\_callers.py", line 139, in _multicall
    INTERNALERROR>     raise exception.with_traceback(exception.__traceback__)
    INTERNALERROR>   File "C:\Users\user\asdf2\.venv\Lib\site-packages\pluggy\_callers.py", line 122, in _multicall
    INTERNALERROR>     teardown.throw(exception)  # type: ignore[union-attr]
    INTERNALERROR>     ~~~~~~~~~~~~~~^^^^^^^^^^^
    INTERNALERROR>   File "C:\Users\user\asdf2\.venv\Lib\site-packages\_pytest\logging.py", line 803, in pytest_runtestloop
    INTERNALERROR>     return (yield)  # Run all the tests.
    INTERNALERROR>             ^^^^^
    INTERNALERROR>   File "C:\Users\user\asdf2\.venv\Lib\site-packages\pluggy\_callers.py", line 122, in _multicall
    INTERNALERROR>     teardown.throw(exception)  # type: ignore[union-attr]
    INTERNALERROR>     ~~~~~~~~~~~~~~^^^^^^^^^^^
    INTERNALERROR>   File "C:\Users\user\asdf2\.venv\Lib\site-packages\_pytest\terminal.py", line 673, in pytest_runtestloop
    INTERNALERROR>     result = yield
    INTERNALERROR>              ^^^^^
    INTERNALERROR>   File "C:\Users\user\asdf2\.venv\Lib\site-packages\pluggy\_callers.py", line 103, in _multicall
    INTERNALERROR>     res = hook_impl.function(*args)
    INTERNALERROR>   File "c:\Users\user\asdf2\tests\conftest.py", line 14, in pytest_runtestloop
    INTERNALERROR>     raise Exception(
    INTERNALERROR>         f"failed running tests with args: {session.config.args}. {os.getpid()}"
    INTERNALERROR>     )
    INTERNALERROR> Exception: failed running tests with args: ['c:\\Users\\user\\asdf2\\tests\\test_foo.py::test_asdf[0]', 'c:\\Users\\user\\asdf2\\tests\\test_foo.py::test_asdf[1]']. 37080
    Error attempting to connect to extension named pipe \\.\pipe\python-test-results-a05981ec1ca3a05d7460[vscode-pytest]: [Errno 2] No such file or directory: '\\\\.\\pipe\\python-test-results-a05981ec1ca3a05d7460'
    If you are on a Windows machine, this error may be occurring if any of your tests clear environment variables as they are required to communicate with the extension. Please reference https://docs.pytest.org/en/stable/how-to/monkeypatch.html#monkeypatching-environment-variablesfor the correct way to clear environment variables during testing.
    
    Error attempting to connect to extension named pipe \\.\pipe\python-test-results-a05981ec1ca3a05d7460[vscode-pytest]: [Errno 2] No such file or directory: '\\\\.\\pipe\\python-test-results-a05981ec1ca3a05d7460'
    If you are on a Windows machine, this error may be occurring if any of your tests clear environment variables as they are required to communicate with the extension. Please reference https://docs.pytest.org/en/stable/how-to/monkeypatch.html#monkeypatching-environment-variablesfor the correct way to clear environment variables during testing.
    
    Error[vscode-pytest]: unable to read testIds from temp fileError attempting to connect to extension named pipe \\.\pipe\python-test-results-a05981ec1ca3a05d7460[vscode-pytest]: [Errno 2] No such file or directory: '\\\\.\\pipe\\python-test-results-a05981ec1ca3a05d7460'
    pid here 37080
    pid here 37080
    pid here 37080
    pid here 37080
    pid here 37080
    pid here 37080
    pid here 37080
    ============================= test session starts =============================
    platform win32 -- Python 3.13.1, pytest-8.3.4, pluggy-1.5.0
    rootdir: c:\Users\user\asdf2
    configfile: pyproject.toml
    plugins: xdist-3.6.1
    collected 2 items
    inside the runTestloop 37080
    in the loop
    INTERNALERROR> Traceback (most recent call last):
    INTERNALERROR>   File "c:\Users\user\.vscode\extensions\ms-python.python-2025.1.2025022501-win32-x64\python_files\vscode_pytest\__init__.py", line 927, in send_message
    INTERNALERROR>     __writer = open(TEST_RUN_PIPE, "wb")  # noqa: SIM115, PTH123
    INTERNALERROR> FileNotFoundError: [Errno 2] No such file or directory: '\\\\.\\pipe\\python-test-results-a05981ec1ca3a05d7460'
    INTERNALERROR> 
    INTERNALERROR> The above exception was the direct cause of the following exception:
    INTERNALERROR> 
    INTERNALERROR> Traceback (most recent call last):
    INTERNALERROR>   File "c:\Users\user\.vscode\extensions\ms-python.python-2025.1.2025022501-win32-x64\python_files\vscode_pytest\run_pytest_script.py", line 64, in <module>
    INTERNALERROR>     pytest.main(arg_array)
    INTERNALERROR>     ~~~~~~~~~~~^^^^^^^^^^^
    INTERNALERROR>   File "C:\Users\user\asdf2\.venv\Lib\site-packages\_pytest\config\__init__.py", line 175, in main
    INTERNALERROR>     ret: ExitCode | int = config.hook.pytest_cmdline_main(config=config)
    INTERNALERROR>                           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^
    INTERNALERROR>   File "C:\Users\user\asdf2\.venv\Lib\site-packages\pluggy\_hooks.py", line 513, in __call__
    INTERNALERROR>     return self._hookexec(self.name, self._hookimpls.copy(), kwargs, firstresult)
    INTERNALERROR>            ~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    INTERNALERROR>   File "C:\Users\user\asdf2\.venv\Lib\site-packages\pluggy\_manager.py", line 120, in _hookexec
    INTERNALERROR>     return self._inner_hookexec(hook_name, methods, kwargs, firstresult)
    INTERNALERROR>            ~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    INTERNALERROR>   File "C:\Users\user\asdf2\.venv\Lib\site-packages\pluggy\_callers.py", line 139, in _multicall
    INTERNALERROR>     raise exception.with_traceback(exception.__traceback__)
    INTERNALERROR>   File "C:\Users\user\asdf2\.venv\Lib\site-packages\pluggy\_callers.py", line 103, in _multicall
    INTERNALERROR>     res = hook_impl.function(*args)
    INTERNALERROR>   File "C:\Users\user\asdf2\.venv\Lib\site-packages\_pytest\main.py", line 330, in pytest_cmdline_main
    INTERNALERROR>     return wrap_session(config, _main)
    INTERNALERROR>   File "C:\Users\user\asdf2\.venv\Lib\site-packages\_pytest\main.py", line 318, in wrap_session
    INTERNALERROR>     config.hook.pytest_sessionfinish(
    INTERNALERROR>     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^
    INTERNALERROR>         session=session, exitstatus=session.exitstatus
    INTERNALERROR>         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    INTERNALERROR>     )
    INTERNALERROR>     ^
    INTERNALERROR>   File "C:\Users\user\asdf2\.venv\Lib\site-packages\pluggy\_hooks.py", line 513, in __call__
    INTERNALERROR>     return self._hookexec(self.name, self._hookimpls.copy(), kwargs, firstresult)
    INTERNALERROR>            ~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    INTERNALERROR>   File "C:\Users\user\asdf2\.venv\Lib\site-packages\pluggy\_manager.py", line 120, in _hookexec
    INTERNALERROR>     return self._inner_hookexec(hook_name, methods, kwargs, firstresult)
    INTERNALERROR>            ~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    INTERNALERROR>   File "C:\Users\user\asdf2\.venv\Lib\site-packages\pluggy\_callers.py", line 139, in _multicall
    INTERNALERROR>     raise exception.with_traceback(exception.__traceback__)
    INTERNALERROR>   File "C:\Users\user\asdf2\.venv\Lib\site-packages\pluggy\_callers.py", line 122, in _multicall
    INTERNALERROR>     teardown.throw(exception)  # type: ignore[union-attr]
    INTERNALERROR>     ~~~~~~~~~~~~~~^^^^^^^^^^^
    INTERNALERROR>   File "C:\Users\user\asdf2\.venv\Lib\site-packages\_pytest\logging.py", line 868, in pytest_sessionfinish
    INTERNALERROR>     return (yield)
    INTERNALERROR>             ^^^^^
    INTERNALERROR>   File "C:\Users\user\asdf2\.venv\Lib\site-packages\pluggy\_callers.py", line 122, in _multicall
    INTERNALERROR>     teardown.throw(exception)  # type: ignore[union-attr]
    INTERNALERROR>     ~~~~~~~~~~~~~~^^^^^^^^^^^
    INTERNALERROR>   File "C:\Users\user\asdf2\.venv\Lib\site-packages\_pytest\terminal.py", line 893, in pytest_sessionfinish
    INTERNALERROR>     result = yield
    INTERNALERROR>              ^^^^^
    INTERNALERROR>   File "C:\Users\user\asdf2\.venv\Lib\site-packages\pluggy\_callers.py", line 122, in _multicall
    INTERNALERROR>     teardown.throw(exception)  # type: ignore[union-attr]
    INTERNALERROR>     ~~~~~~~~~~~~~~^^^^^^^^^^^
    INTERNALERROR>   File "C:\Users\user\asdf2\.venv\Lib\site-packages\_pytest\warnings.py", line 141, in pytest_sessionfinish
    INTERNALERROR>     return (yield)
    INTERNALERROR>             ^^^^^
    INTERNALERROR>   File "C:\Users\user\asdf2\.venv\Lib\site-packages\pluggy\_callers.py", line 103, in _multicall
    INTERNALERROR>     res = hook_impl.function(*args)
    INTERNALERROR>   File "c:\Users\user\.vscode\extensions\ms-python.python-2025.1.2025022501-win32-x64\python_files\vscode_pytest\__init__.py", line 426, in pytest_sessionfinish
    INTERNALERROR>     send_execution_message(
    INTERNALERROR>     ~~~~~~~~~~~~~~~~~~~~~~^
    INTERNALERROR>         os.fsdecode(cwd),
    INTERNALERROR>         ^^^^^^^^^^^^^^^^^
    INTERNALERROR>         exitstatus_bool,
    INTERNALERROR>         ^^^^^^^^^^^^^^^^
    INTERNALERROR>         None,
    INTERNALERROR>         ^^^^^
    INTERNALERROR>     )
    INTERNALERROR>     ^
    INTERNALERROR>   File "c:\Users\user\.vscode\extensions\ms-python.python-2025.1.2025022501-win32-x64\python_files\vscode_pytest\__init__.py", line 871, in send_execution_message
    INTERNALERROR>     send_message(payload)
    INTERNALERROR>     ~~~~~~~~~~~~^^^^^^^^^
    INTERNALERROR>   File "c:\Users\user\.vscode\extensions\ms-python.python-2025.1.2025022501-win32-x64\python_files\vscode_pytest\__init__.py", line 938, in send_message
    INTERNALERROR>     raise VSCodePytestError(error_msg) from error
    INTERNALERROR> vscode_pytest.VSCodePytestError: Error attempting to connect to extension named pipe \\.\pipe\python-test-results-a05981ec1ca3a05d7460[vscode-pytest]: [Errno 2] No such file or directory: '\\\\.\\pipe\\python-test-results-a05981ec1ca3a05d7460'
    INTERNALERROR> 
    INTERNALERROR> During handling of the above exception, another exception occurred:
    INTERNALERROR> 
    INTERNALERROR> Traceback (most recent call last):
    INTERNALERROR>   File "C:\Users\user\asdf2\.venv\Lib\site-packages\_pytest\main.py", line 283, in wrap_session
    INTERNALERROR>     session.exitstatus = doit(config, session) or 0
    INTERNALERROR>                          ~~~~^^^^^^^^^^^^^^^^^
    INTERNALERROR>   File "C:\Users\user\asdf2\.venv\Lib\site-packages\_pytest\main.py", line 337, in _main
    INTERNALERROR>     config.hook.pytest_runtestloop(session=session)
    INTERNALERROR>     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^
    INTERNALERROR>   File "C:\Users\user\asdf2\.venv\Lib\site-packages\pluggy\_hooks.py", line 513, in __call__
    INTERNALERROR>     return self._hookexec(self.name, self._hookimpls.copy(), kwargs, firstresult)
    INTERNALERROR>            ~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    INTERNALERROR>   File "C:\Users\user\asdf2\.venv\Lib\site-packages\pluggy\_manager.py", line 120, in _hookexec
    INTERNALERROR>     return self._inner_hookexec(hook_name, methods, kwargs, firstresult)
    INTERNALERROR>            ~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    INTERNALERROR>   File "C:\Users\user\asdf2\.venv\Lib\site-packages\pluggy\_callers.py", line 139, in _multicall
    INTERNALERROR>     raise exception.with_traceback(exception.__traceback__)
    INTERNALERROR>   File "C:\Users\user\asdf2\.venv\Lib\site-packages\pluggy\_callers.py", line 122, in _multicall
    INTERNALERROR>     teardown.throw(exception)  # type: ignore[union-attr]
    INTERNALERROR>     ~~~~~~~~~~~~~~^^^^^^^^^^^
    INTERNALERROR>   File "C:\Users\user\asdf2\.venv\Lib\site-packages\_pytest\logging.py", line 803, in pytest_runtestloop
    INTERNALERROR>     return (yield)  # Run all the tests.
    INTERNALERROR>             ^^^^^
    INTERNALERROR>   File "C:\Users\user\asdf2\.venv\Lib\site-packages\pluggy\_callers.py", line 122, in _multicall
    INTERNALERROR>     teardown.throw(exception)  # type: ignore[union-attr]
    INTERNALERROR>     ~~~~~~~~~~~~~~^^^^^^^^^^^
    INTERNALERROR>   File "C:\Users\user\asdf2\.venv\Lib\site-packages\_pytest\terminal.py", line 673, in pytest_runtestloop
    INTERNALERROR>     result = yield
    INTERNALERROR>              ^^^^^
    INTERNALERROR>   File "C:\Users\user\asdf2\.venv\Lib\site-packages\pluggy\_callers.py", line 103, in _multicall
    INTERNALERROR>     res = hook_impl.function(*args)
    INTERNALERROR>   File "c:\Users\user\asdf2\tests\conftest.py", line 14, in pytest_runtestloop
    INTERNALERROR>     raise Exception(
    INTERNALERROR>         f"failed running tests with args: {session.config.args}. {os.getpid()}"
    INTERNALERROR>     )
    INTERNALERROR> Exception: failed running tests with args: ['c:\\Users\\user\\asdf2']. 37080
    Error attempting to connect to extension named pipe \\.\pipe\python-test-results-a05981ec1ca3a05d7460[vscode-pytest]: [Errno 2] No such file or directory: '\\\\.\\pipe\\python-test-results-a05981ec1ca3a05d7460'
    If you are on a Windows machine, this error may be occurring if any of your tests clear environment variables as they are required to communicate with the extension. Please reference https://docs.pytest.org/en/stable/how-to/monkeypatch.html#monkeypatching-environment-variablesfor the correct way to clear environment variables during testing.
    
    Traceback (most recent call last):
      File "c:\Users\user\.vscode\extensions\ms-python.python-2025.1.2025022501-win32-x64\python_files\vscode_pytest\__init__.py", line 927, in send_message
        __writer = open(TEST_RUN_PIPE, "wb")  # noqa: SIM115, PTH123
    FileNotFoundError: [Errno 2] No such file or directory: '\\\\.\\pipe\\python-test-results-a05981ec1ca3a05d7460'
    
    The above exception was the direct cause of the following exception:
    
    Traceback (most recent call last):
      File "c:\Users\user\.vscode\extensions\ms-python.python-2025.1.2025022501-win32-x64\python_files\vscode_pytest\run_pytest_script.py", line 64, in <module>
        pytest.main(arg_array)
        ~~~~~~~~~~~^^^^^^^^^^^
      File "C:\Users\user\asdf2\.venv\Lib\site-packages\_pytest\config\__init__.py", line 175, in main
        ret: ExitCode | int = config.hook.pytest_cmdline_main(config=config)
                              ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^
      File "C:\Users\user\asdf2\.venv\Lib\site-packages\pluggy\_hooks.py", line 513, in __call__
        return self._hookexec(self.name, self._hookimpls.copy(), kwargs, firstresult)
               ~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
      File "C:\Users\user\asdf2\.venv\Lib\site-packages\pluggy\_manager.py", line 120, in _hookexec
        return self._inner_hookexec(hook_name, methods, kwargs, firstresult)
               ~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
      File "C:\Users\user\asdf2\.venv\Lib\site-packages\pluggy\_callers.py", line 139, in _multicall
        raise exception.with_traceback(exception.__traceback__)
      File "C:\Users\user\asdf2\.venv\Lib\site-packages\pluggy\_callers.py", line 103, in _multicall
        res = hook_impl.function(*args)
      File "C:\Users\user\asdf2\.venv\Lib\site-packages\_pytest\main.py", line 330, in pytest_cmdline_main
        return wrap_session(config, _main)
      File "C:\Users\user\asdf2\.venv\Lib\site-packages\_pytest\main.py", line 318, in wrap_session
        config.hook.pytest_sessionfinish(
        ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^
            session=session, exitstatus=session.exitstatus
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
        )
        ^
      File "C:\Users\user\asdf2\.venv\Lib\site-packages\pluggy\_hooks.py", line 513, in __call__
        return self._hookexec(self.name, self._hookimpls.copy(), kwargs, firstresult)
               ~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
      File "C:\Users\user\asdf2\.venv\Lib\site-packages\pluggy\_manager.py", line 120, in _hookexec
        return self._inner_hookexec(hook_name, methods, kwargs, firstresult)
               ~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
      File "C:\Users\user\asdf2\.venv\Lib\site-packages\pluggy\_callers.py", line 139, in _multicall
        raise exception.with_traceback(exception.__traceback__)
      File "C:\Users\user\asdf2\.venv\Lib\site-packages\pluggy\_callers.py", line 122, in _multicall
        teardown.throw(exception)  # type: ignore[union-attr]
        ~~~~~~~~~~~~~~^^^^^^^^^^^
      File "C:\Users\user\asdf2\.venv\Lib\site-packages\_pytest\logging.py", line 868, in pytest_sessionfinish
        return (yield)
                ^^^^^
      File "C:\Users\user\asdf2\.venv\Lib\site-packages\pluggy\_callers.py", line 122, in _multicall
        teardown.throw(exception)  # type: ignore[union-attr]
        ~~~~~~~~~~~~~~^^^^^^^^^^^
      File "C:\Users\user\asdf2\.venv\Lib\site-packages\_pytest\terminal.py", line 893, in pytest_sessionfinish
        result = yield
                 ^^^^^
      File "C:\Users\user\asdf2\.venv\Lib\site-packages\pluggy\_callers.py", line 122, in _multicall
        teardown.throw(exception)  # type: ignore[union-attr]
        ~~~~~~~~~~~~~~^^^^^^^^^^^
      File "C:\Users\user\asdf2\.venv\Lib\site-packages\_pytest\warnings.py", line 141, in pytest_sessionfinish
        return (yield)
                ^^^^^
      File "C:\Users\user\asdf2\.venv\Lib\site-packages\pluggy\_callers.py", line 103, in _multicall
        res = hook_impl.function(*args)
      File "c:\Users\user\.vscode\extensions\ms-python.python-2025.1.2025022501-win32-x64\python_files\vscode_pytest\__init__.py", line 426, in pytest_sessionfinish
        send_execution_message(
        ~~~~~~~~~~~~~~~~~~~~~~^
            os.fsdecode(cwd),
            ^^^^^^^^^^^^^^^^^
            exitstatus_bool,
            ^^^^^^^^^^^^^^^^
            None,
            ^^^^^
        )
        ^
      File "c:\Users\user\.vscode\extensions\ms-python.python-2025.1.2025022501-win32-x64\python_files\vscode_pytest\__init__.py", line 871, in send_execution_message
        send_message(payload)
        ~~~~~~~~~~~~^^^^^^^^^
      File "c:\Users\user\.vscode\extensions\ms-python.python-2025.1.2025022501-win32-x64\python_files\vscode_pytest\__init__.py", line 938, in send_message
        raise VSCodePytestError(error_msg) from error
    vscode_pytest.VSCodePytestError: Error attempting to connect to extension named pipe \\.\pipe\python-test-results-a05981ec1ca3a05d7460[vscode-pytest]: [Errno 2] No such file or directory: '\\\\.\\pipe\\python-test-results-a05981ec1ca3a05d7460'
    
    During handling of the above exception, another exception occurred:
    
    Traceback (most recent call last):
      File "c:\Users\user\.vscode\extensions\ms-python.python-2025.1.2025022501-win32-x64\python_files\vscode_pytest\__init__.py", line 927, in send_message
        __writer = open(TEST_RUN_PIPE, "wb")  # noqa: SIM115, PTH123
    FileNotFoundError: [Errno 2] No such file or directory: '\\\\.\\pipe\\python-test-results-a05981ec1ca3a05d7460'
    
    The above exception was the direct cause of the following exception:
    
    Traceback (most recent call last):
      File "c:\Users\user\.vscode\extensions\ms-python.python-2025.1.2025022501-win32-x64\python_files\vscode_pytest\run_pytest_script.py", line 67, in <module>
        run_pytest(args)
        ~~~~~~~~~~^^^^^^
      File "c:\Users\user\.vscode\extensions\ms-python.python-2025.1.2025022501-win32-x64\python_files\vscode_pytest\run_pytest_script.py", line 23, in run_pytest
        pytest.main(arg_array)
        ~~~~~~~~~~~^^^^^^^^^^^
      File "C:\Users\user\asdf2\.venv\Lib\site-packages\_pytest\config\__init__.py", line 175, in main
        ret: ExitCode | int = config.hook.pytest_cmdline_main(config=config)
                              ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^
      File "C:\Users\user\asdf2\.venv\Lib\site-packages\pluggy\_hooks.py", line 513, in __call__
        return self._hookexec(self.name, self._hookimpls.copy(), kwargs, firstresult)
               ~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
      File "C:\Users\user\asdf2\.venv\Lib\site-packages\pluggy\_manager.py", line 120, in _hookexec
        return self._inner_hookexec(hook_name, methods, kwargs, firstresult)
               ~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
      File "C:\Users\user\asdf2\.venv\Lib\site-packages\pluggy\_callers.py", line 139, in _multicall
        raise exception.with_traceback(exception.__traceback__)
      File "C:\Users\user\asdf2\.venv\Lib\site-packages\pluggy\_callers.py", line 103, in _multicall
        res = hook_impl.function(*args)
      File "C:\Users\user\asdf2\.venv\Lib\site-packages\_pytest\main.py", line 330, in pytest_cmdline_main
        return wrap_session(config, _main)
      File "C:\Users\user\asdf2\.venv\Lib\site-packages\_pytest\main.py", line 318, in wrap_session
        config.hook.pytest_sessionfinish(
        ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^
            session=session, exitstatus=session.exitstatus
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
        )
        ^
      File "C:\Users\user\asdf2\.venv\Lib\site-packages\pluggy\_hooks.py", line 513, in __call__
        return self._hookexec(self.name, self._hookimpls.copy(), kwargs, firstresult)
               ~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
      File "C:\Users\user\asdf2\.venv\Lib\site-packages\pluggy\_manager.py", line 120, in _hookexec
        return self._inner_hookexec(hook_name, methods, kwargs, firstresult)
               ~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
      File "C:\Users\user\asdf2\.venv\Lib\site-packages\pluggy\_callers.py", line 139, in _multicall
        raise exception.with_traceback(exception.__traceback__)
      File "C:\Users\user\asdf2\.venv\Lib\site-packages\pluggy\_callers.py", line 122, in _multicall
        teardown.throw(exception)  # type: ignore[union-attr]
        ~~~~~~~~~~~~~~^^^^^^^^^^^
      File "C:\Users\user\asdf2\.venv\Lib\site-packages\_pytest\logging.py", line 868, in pytest_sessionfinish
        return (yield)
                ^^^^^
      File "C:\Users\user\asdf2\.venv\Lib\site-packages\pluggy\_callers.py", line 122, in _multicall
        teardown.throw(exception)  # type: ignore[union-attr]
        ~~~~~~~~~~~~~~^^^^^^^^^^^
      File "C:\Users\user\asdf2\.venv\Lib\site-packages\_pytest\terminal.py", line 893, in pytest_sessionfinish
        result = yield
                 ^^^^^
      File "C:\Users\user\asdf2\.venv\Lib\site-packages\pluggy\_callers.py", line 122, in _multicall
        teardown.throw(exception)  # type: ignore[union-attr]
        ~~~~~~~~~~~~~~^^^^^^^^^^^
      File "C:\Users\user\asdf2\.venv\Lib\site-packages\_pytest\warnings.py", line 141, in pytest_sessionfinish
        return (yield)
                ^^^^^
      File "C:\Users\user\asdf2\.venv\Lib\site-packages\pluggy\_callers.py", line 103, in _multicall
        res = hook_impl.function(*args)
      File "c:\Users\user\.vscode\extensions\ms-python.python-2025.1.2025022501-win32-x64\python_files\vscode_pytest\__init__.py", line 426, in pytest_sessionfinish
        send_execution_message(
        ~~~~~~~~~~~~~~~~~~~~~~^
            os.fsdecode(cwd),
            ^^^^^^^^^^^^^^^^^
            exitstatus_bool,
            ^^^^^^^^^^^^^^^^
            None,
            ^^^^^
        )
        ^
      File "c:\Users\user\.vscode\extensions\ms-python.python-2025.1.2025022501-win32-x64\python_files\vscode_pytest\__init__.py", line 871, in send_execution_message
        send_message(payload)
        ~~~~~~~~~~~~^^^^^^^^^
      File "c:\Users\user\.vscode\extensions\ms-python.python-2025.1.2025022501-win32-x64\python_files\vscode_pytest\__init__.py", line 938, in send_message
        raise VSCodePytestError(error_msg) from error
    vscode_pytest.VSCodePytestError: Error attempting to connect to extension named pipe \\.\pipe\python-test-results-a05981ec1ca3a05d7460[vscode-pytest]: [Errno 2] No such file or directory: '\\\\.\\pipe\\python-test-results-a05981ec1ca3a05d7460'
    Finished running tests!
    

  4. eleanorjboyd commented on Mar 4, 2025

    @eleanorjboyd

    Thank you for those details- so it is interesting because the process ID at both exceptions is the main process thread, so it is not being hit in each worker or rerun at that level (from what I can tell). My next guess is maybe workers are rerun by the main process if exceptions occur. Can you try adding this argument and see if that changes anything? pytest -n auto --dist no. Sorry to make you try things I just can't get the behavior to reproduce for me. I am wondering if it is the difference in OS types that might be causing auto attempts at rerunning when exceptions occur? Just a theory tho

  5. DetachHead commented on Mar 17, 2025

    @DetachHead
    Author

    Can you try adding this argument and see if that changes anything? pytest -n auto --dist no.

    same result

    Details

    Running pytest with args: ['-p', 'vscode_pytest', '-n', 'auto', '--dist', 'no', '--rootdir=c:\\Users\\user\\\asdf2', 'c:\\Users\\user\\\asdf2\\tests\\test_foo.py::test_asdf[0]', 'c:\\Users\\user\\\asdf2\\tests\\test_foo.py::test_asdf[1]']
    pid here 4532
    pid here 4532
    pid here 4532
    pid here 4532
    pid here 4532
    pid here 4532
    pid here 4532
    pid here 4532
    pid here 4532
    ============================= test session starts =============================
    platform win32 -- Python 3.13.1, pytest-8.3.4, pluggy-1.5.0
    rootdir: c:\Users\user\asdf2
    configfile: pyproject.toml
    plugins: xdist-3.6.1
    created: 2/2 workers
    pid here 4532
    pid here 4532
    inside the runTestloop 4532
    in the loop
    pid here 4532
    pid here 4532
    pid here 4532
    pid here 4532
    pid here 4532
    pid here 4532
    pid here 4532
    pid here 4532
    pid here 4532
    pid here 4532
    pid here 4532
    pid here 4532
    pid here 4532
    pid here 4532
    pid here 4532
    pid here 4532
    pid here 4532
    pid here 4532
    pid here 4532
    pid here 4532
    pid here 4532
    pid here 4532
    pid here 4532
    pid here 4532
    pid here 4532
    pid here 4532
    pid here 4532
    pid here 4532
    pid here 4532
    pid here 4532
    pid here 4532
    pid here 4532
    pid here 4532
    pid here 4532
    pid here 4532
    pid here 4532
    pid here 4532
    pid here 4532
    pid here 4532
    INTERNALERROR> Traceback (most recent call last):
    INTERNALERROR>   File "C:\Users\user\asdf2\.venv\Lib\site-packages\_pytest\main.py", line 283, in wrap_session
    INTERNALERROR>     session.exitstatus = doit(config, session) or 0
    INTERNALERROR>                          ~~~~^^^^^^^^^^^^^^^^^
    INTERNALERROR>   File "C:\Users\user\asdf2\.venv\Lib\site-packages\_pytest\main.py", line 337, in _main
    INTERNALERROR>     config.hook.pytest_runtestloop(session=session)
    INTERNALERROR>     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^
    INTERNALERROR>   File "C:\Users\user\asdf2\.venv\Lib\site-packages\pluggy\_hooks.py", line 513, in __call__
    INTERNALERROR>     return self._hookexec(self.name, self._hookimpls.copy(), kwargs, firstresult)
    INTERNALERROR>            ~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    INTERNALERROR>   File "C:\Users\user\asdf2\.venv\Lib\site-packages\pluggy\_manager.py", line 120, in _hookexec
    INTERNALERROR>     return self._inner_hookexec(hook_name, methods, kwargs, firstresult)
    INTERNALERROR>            ~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    INTERNALERROR>   File "C:\Users\user\asdf2\.venv\Lib\site-packages\pluggy\_callers.py", line 139, in _multicall
    INTERNALERROR>     raise exception.with_traceback(exception.__traceback__)
    INTERNALERROR>   File "C:\Users\user\asdf2\.venv\Lib\site-packages\pluggy\_callers.py", line 122, in _multicall
    INTERNALERROR>     teardown.throw(exception)  # type: ignore[union-attr]
    INTERNALERROR>     ~~~~~~~~~~~~~~^^^^^^^^^^^
    INTERNALERROR>   File "C:\Users\user\asdf2\.venv\Lib\site-packages\_pytest\logging.py", line 803, in pytest_runtestloop
    INTERNALERROR>     return (yield)  # Run all the tests.
    INTERNALERROR>             ^^^^^
    INTERNALERROR>   File "C:\Users\user\asdf2\.venv\Lib\site-packages\pluggy\_callers.py", line 122, in _multicall
    INTERNALERROR>     teardown.throw(exception)  # type: ignore[union-attr]
    INTERNALERROR>     ~~~~~~~~~~~~~~^^^^^^^^^^^
    INTERNALERROR>   File "C:\Users\user\asdf2\.venv\Lib\site-packages\_pytest\terminal.py", line 673, in pytest_runtestloop
    INTERNALERROR>     result = yield
    INTERNALERROR>              ^^^^^
    INTERNALERROR>   File "C:\Users\user\asdf2\.venv\Lib\site-packages\pluggy\_callers.py", line 103, in _multicall
    INTERNALERROR>     res = hook_impl.function(*args)
    INTERNALERROR>   File "c:\Users\user\asdf2\tests\conftest.py", line 14, in pytest_runtestloop
    INTERNALERROR>     raise Exception(
    INTERNALERROR>         f"failed running tests with args: {session.config.args}. {os.getpid()}"
    INTERNALERROR>     )
    INTERNALERROR> Exception: failed running tests with args: ['c:\\Users\\user\\\asdf2\\tests\\test_foo.py::test_asdf[0]', 'c:\\Users\\user\\\asdf2\\tests\\test_foo.py::test_asdf[1]']. 4532
    Error attempting to connect to extension named pipe \\.\pipe\python-test-results-1f5c84f29434e534f7a3[vscode-pytest]: [Errno 2] No such file or directory: '\\\\.\\pipe\\python-test-results-1f5c84f29434e534f7a3'
    If you are on a Windows machine, this error may be occurring if any of your tests clear environment variables as they are required to communicate with the extension. Please reference https://docs.pytest.org/en/stable/how-to/monkeypatch.html#monkeypatching-environment-variablesfor the correct way to clear environment variables during testing.
    
    Error attempting to connect to extension named pipe \\.\pipe\python-test-results-1f5c84f29434e534f7a3[vscode-pytest]: [Errno 2] No such file or directory: '\\\\.\\pipe\\python-test-results-1f5c84f29434e534f7a3'
    If you are on a Windows machine, this error may be occurring if any of your tests clear environment variables as they are required to communicate with the extension. Please reference https://docs.pytest.org/en/stable/how-to/monkeypatch.html#monkeypatching-environment-variablesfor the correct way to clear environment variables during testing.
    
    Error[vscode-pytest]: unable to read testIds from temp fileError attempting to connect to extension named pipe \\.\pipe\python-test-results-1f5c84f29434e534f7a3[vscode-pytest]: [Errno 2] No such file or directory: '\\\\.\\pipe\\python-test-results-1f5c84f29434e534f7a3'
    pid here 4532
    pid here 4532
    pid here 4532
    pid here 4532
    pid here 4532
    pid here 4532
    pid here 4532
    ============================= test session starts =============================
    platform win32 -- Python 3.13.1, pytest-8.3.4, pluggy-1.5.0
    rootdir: c:\Users\user\asdf2
    configfile: pyproject.toml
    plugins: xdist-3.6.1
    collected 2 items
    inside the runTestloop 4532
    in the loop
    INTERNALERROR> Traceback (most recent call last):
    INTERNALERROR>   File "c:\Users\user\.vscode\extensions\ms-python.python-2025.3.2025031001-win32-x64\python_files\vscode_pytest\__init__.py", line 927, in send_message
    INTERNALERROR>     __writer = open(TEST_RUN_PIPE, "wb")  # noqa: SIM115, PTH123
    INTERNALERROR> FileNotFoundError: [Errno 2] No such file or directory: '\\\\.\\pipe\\python-test-results-1f5c84f29434e534f7a3'
    INTERNALERROR> 
    INTERNALERROR> The above exception was the direct cause of the following exception:
    INTERNALERROR> 
    INTERNALERROR> Traceback (most recent call last):
    INTERNALERROR>   File "c:\Users\user\.vscode\extensions\ms-python.python-2025.3.2025031001-win32-x64\python_files\vscode_pytest\run_pytest_script.py", line 64, in <module>
    INTERNALERROR>     pytest.main(arg_array)
    INTERNALERROR>     ~~~~~~~~~~~^^^^^^^^^^^
    INTERNALERROR>   File "C:\Users\user\asdf2\.venv\Lib\site-packages\_pytest\config\__init__.py", line 175, in main
    INTERNALERROR>     ret: ExitCode | int = config.hook.pytest_cmdline_main(config=config)
    INTERNALERROR>                           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^
    INTERNALERROR>   File "C:\Users\user\asdf2\.venv\Lib\site-packages\pluggy\_hooks.py", line 513, in __call__
    INTERNALERROR>     return self._hookexec(self.name, self._hookimpls.copy(), kwargs, firstresult)
    INTERNALERROR>            ~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    INTERNALERROR>   File "C:\Users\user\asdf2\.venv\Lib\site-packages\pluggy\_manager.py", line 120, in _hookexec
    INTERNALERROR>     return self._inner_hookexec(hook_name, methods, kwargs, firstresult)
    INTERNALERROR>            ~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    INTERNALERROR>   File "C:\Users\user\asdf2\.venv\Lib\site-packages\pluggy\_callers.py", line 139, in _multicall
    INTERNALERROR>     raise exception.with_traceback(exception.__traceback__)
    INTERNALERROR>   File "C:\Users\user\asdf2\.venv\Lib\site-packages\pluggy\_callers.py", line 103, in _multicall
    INTERNALERROR>     res = hook_impl.function(*args)
    INTERNALERROR>   File "C:\Users\user\asdf2\.venv\Lib\site-packages\_pytest\main.py", line 330, in pytest_cmdline_main
    INTERNALERROR>     return wrap_session(config, _main)
    INTERNALERROR>   File "C:\Users\user\asdf2\.venv\Lib\site-packages\_pytest\main.py", line 318, in wrap_session
    INTERNALERROR>     config.hook.pytest_sessionfinish(
    INTERNALERROR>     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^
    INTERNALERROR>         session=session, exitstatus=session.exitstatus
    INTERNALERROR>         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    INTERNALERROR>     )
    INTERNALERROR>     ^
    INTERNALERROR>   File "C:\Users\user\asdf2\.venv\Lib\site-packages\pluggy\_hooks.py", line 513, in __call__
    INTERNALERROR>     return self._hookexec(self.name, self._hookimpls.copy(), kwargs, firstresult)
    INTERNALERROR>            ~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    INTERNALERROR>   File "C:\Users\user\asdf2\.venv\Lib\site-packages\pluggy\_manager.py", line 120, in _hookexec
    INTERNALERROR>     return self._inner_hookexec(hook_name, methods, kwargs, firstresult)
    INTERNALERROR>            ~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    INTERNALERROR>   File "C:\Users\user\asdf2\.venv\Lib\site-packages\pluggy\_callers.py", line 139, in _multicall
    INTERNALERROR>     raise exception.with_traceback(exception.__traceback__)
    INTERNALERROR>   File "C:\Users\user\asdf2\.venv\Lib\site-packages\pluggy\_callers.py", line 122, in _multicall
    INTERNALERROR>     teardown.throw(exception)  # type: ignore[union-attr]
    INTERNALERROR>     ~~~~~~~~~~~~~~^^^^^^^^^^^
    INTERNALERROR>   File "C:\Users\user\asdf2\.venv\Lib\site-packages\_pytest\logging.py", line 868, in pytest_sessionfinish
    INTERNALERROR>     return (yield)
    INTERNALERROR>             ^^^^^
    INTERNALERROR>   File "C:\Users\user\asdf2\.venv\Lib\site-packages\pluggy\_callers.py", line 122, in _multicall
    INTERNALERROR>     teardown.throw(exception)  # type: ignore[union-attr]
    INTERNALERROR>     ~~~~~~~~~~~~~~^^^^^^^^^^^
    INTERNALERROR>   File "C:\Users\user\asdf2\.venv\Lib\site-packages\_pytest\terminal.py", line 893, in pytest_sessionfinish
    INTERNALERROR>     result = yield
    INTERNALERROR>              ^^^^^
    INTERNALERROR>   File "C:\Users\user\asdf2\.venv\Lib\site-packages\pluggy\_callers.py", line 122, in _multicall
    INTERNALERROR>     teardown.throw(exception)  # type: ignore[union-attr]
    INTERNALERROR>     ~~~~~~~~~~~~~~^^^^^^^^^^^
    INTERNALERROR>   File "C:\Users\user\asdf2\.venv\Lib\site-packages\_pytest\warnings.py", line 141, in pytest_sessionfinish
    INTERNALERROR>     return (yield)
    INTERNALERROR>             ^^^^^
    INTERNALERROR>   File "C:\Users\user\asdf2\.venv\Lib\site-packages\pluggy\_callers.py", line 103, in _multicall
    INTERNALERROR>     res = hook_impl.function(*args)
    INTERNALERROR>   File "c:\Users\user\.vscode\extensions\ms-python.python-2025.3.2025031001-win32-x64\python_files\vscode_pytest\__init__.py", line 426, in pytest_sessionfinish
    INTERNALERROR>     send_execution_message(
    INTERNALERROR>     ~~~~~~~~~~~~~~~~~~~~~~^
    INTERNALERROR>         os.fsdecode(cwd),
    INTERNALERROR>         ^^^^^^^^^^^^^^^^^
    INTERNALERROR>         exitstatus_bool,
    INTERNALERROR>         ^^^^^^^^^^^^^^^^
    INTERNALERROR>         None,
    INTERNALERROR>         ^^^^^
    INTERNALERROR>     )
    INTERNALERROR>     ^
    INTERNALERROR>   File "c:\Users\user\.vscode\extensions\ms-python.python-2025.3.2025031001-win32-x64\python_files\vscode_pytest\__init__.py", line 871, in send_execution_message
    INTERNALERROR>     send_message(payload)
    INTERNALERROR>     ~~~~~~~~~~~~^^^^^^^^^
    INTERNALERROR>   File "c:\Users\user\.vscode\extensions\ms-python.python-2025.3.2025031001-win32-x64\python_files\vscode_pytest\__init__.py", line 938, in send_message
    INTERNALERROR>     raise VSCodePytestError(error_msg) from error
    INTERNALERROR> vscode_pytest.VSCodePytestError: Error attempting to connect to extension named pipe \\.\pipe\python-test-results-1f5c84f29434e534f7a3[vscode-pytest]: [Errno 2] No such file or directory: '\\\\.\\pipe\\python-test-results-1f5c84f29434e534f7a3'
    INTERNALERROR> 
    INTERNALERROR> During handling of the above exception, another exception occurred:
    INTERNALERROR> 
    INTERNALERROR> Traceback (most recent call last):
    INTERNALERROR>   File "C:\Users\user\asdf2\.venv\Lib\site-packages\_pytest\main.py", line 283, in wrap_session
    INTERNALERROR>     session.exitstatus = doit(config, session) or 0
    INTERNALERROR>                          ~~~~^^^^^^^^^^^^^^^^^
    INTERNALERROR>   File "C:\Users\user\asdf2\.venv\Lib\site-packages\_pytest\main.py", line 337, in _main
    INTERNALERROR>     config.hook.pytest_runtestloop(session=session)
    INTERNALERROR>     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^
    INTERNALERROR>   File "C:\Users\user\asdf2\.venv\Lib\site-packages\pluggy\_hooks.py", line 513, in __call__
    INTERNALERROR>     return self._hookexec(self.name, self._hookimpls.copy(), kwargs, firstresult)
    INTERNALERROR>            ~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    INTERNALERROR>   File "C:\Users\user\asdf2\.venv\Lib\site-packages\pluggy\_manager.py", line 120, in _hookexec
    INTERNALERROR>     return self._inner_hookexec(hook_name, methods, kwargs, firstresult)
    INTERNALERROR>            ~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    INTERNALERROR>   File "C:\Users\user\asdf2\.venv\Lib\site-packages\pluggy\_callers.py", line 139, in _multicall
    INTERNALERROR>     raise exception.with_traceback(exception.__traceback__)
    INTERNALERROR>   File "C:\Users\user\asdf2\.venv\Lib\site-packages\pluggy\_callers.py", line 122, in _multicall
    INTERNALERROR>     teardown.throw(exception)  # type: ignore[union-attr]
    INTERNALERROR>     ~~~~~~~~~~~~~~^^^^^^^^^^^
    INTERNALERROR>   File "C:\Users\user\asdf2\.venv\Lib\site-packages\_pytest\logging.py", line 803, in pytest_runtestloop
    INTERNALERROR>     return (yield)  # Run all the tests.
    INTERNALERROR>             ^^^^^
    INTERNALERROR>   File "C:\Users\user\asdf2\.venv\Lib\site-packages\pluggy\_callers.py", line 122, in _multicall
    INTERNALERROR>     teardown.throw(exception)  # type: ignore[union-attr]
    INTERNALERROR>     ~~~~~~~~~~~~~~^^^^^^^^^^^
    INTERNALERROR>   File "C:\Users\user\asdf2\.venv\Lib\site-packages\_pytest\terminal.py", line 673, in pytest_runtestloop
    INTERNALERROR>     result = yield
    INTERNALERROR>              ^^^^^
    INTERNALERROR>   File "C:\Users\user\asdf2\.venv\Lib\site-packages\pluggy\_callers.py", line 103, in _multicall
    INTERNALERROR>     res = hook_impl.function(*args)
    INTERNALERROR>   File "c:\Users\user\asdf2\tests\conftest.py", line 14, in pytest_runtestloop
    INTERNALERROR>     raise Exception(
    INTERNALERROR>         f"failed running tests with args: {session.config.args}. {os.getpid()}"
    INTERNALERROR>     )
    INTERNALERROR> Exception: failed running tests with args: ['c:\\Users\\user\\\asdf2']. 4532
    Error attempting to connect to extension named pipe \\.\pipe\python-test-results-1f5c84f29434e534f7a3[vscode-pytest]: [Errno 2] No such file or directory: '\\\\.\\pipe\\python-test-results-1f5c84f29434e534f7a3'
    If you are on a Windows machine, this error may be occurring if any of your tests clear environment variables as they are required to communicate with the extension. Please reference https://docs.pytest.org/en/stable/how-to/monkeypatch.html#monkeypatching-environment-variablesfor the correct way to clear environment variables during testing.
    
    Traceback (most recent call last):
      File "c:\Users\user\.vscode\extensions\ms-python.python-2025.3.2025031001-win32-x64\python_files\vscode_pytest\__init__.py", line 927, in send_message
        __writer = open(TEST_RUN_PIPE, "wb")  # noqa: SIM115, PTH123
    FileNotFoundError: [Errno 2] No such file or directory: '\\\\.\\pipe\\python-test-results-1f5c84f29434e534f7a3'
    
    The above exception was the direct cause of the following exception:
    
    Traceback (most recent call last):
      File "c:\Users\user\.vscode\extensions\ms-python.python-2025.3.2025031001-win32-x64\python_files\vscode_pytest\run_pytest_script.py", line 64, in <module>
        pytest.main(arg_array)
        ~~~~~~~~~~~^^^^^^^^^^^
      File "C:\Users\user\asdf2\.venv\Lib\site-packages\_pytest\config\__init__.py", line 175, in main
        ret: ExitCode | int = config.hook.pytest_cmdline_main(config=config)
                              ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^
      File "C:\Users\user\asdf2\.venv\Lib\site-packages\pluggy\_hooks.py", line 513, in __call__
        return self._hookexec(self.name, self._hookimpls.copy(), kwargs, firstresult)
               ~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
      File "C:\Users\user\asdf2\.venv\Lib\site-packages\pluggy\_manager.py", line 120, in _hookexec
        return self._inner_hookexec(hook_name, methods, kwargs, firstresult)
               ~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
      File "C:\Users\user\asdf2\.venv\Lib\site-packages\pluggy\_callers.py", line 139, in _multicall
        raise exception.with_traceback(exception.__traceback__)
      File "C:\Users\user\asdf2\.venv\Lib\site-packages\pluggy\_callers.py", line 103, in _multicall
        res = hook_impl.function(*args)
      File "C:\Users\user\asdf2\.venv\Lib\site-packages\_pytest\main.py", line 330, in pytest_cmdline_main
        return wrap_session(config, _main)
      File "C:\Users\user\asdf2\.venv\Lib\site-packages\_pytest\main.py", line 318, in wrap_session
        config.hook.pytest_sessionfinish(
        ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^
            session=session, exitstatus=session.exitstatus
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
        )
        ^
      File "C:\Users\user\asdf2\.venv\Lib\site-packages\pluggy\_hooks.py", line 513, in __call__
        return self._hookexec(self.name, self._hookimpls.copy(), kwargs, firstresult)
               ~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
      File "C:\Users\user\asdf2\.venv\Lib\site-packages\pluggy\_manager.py", line 120, in _hookexec
        return self._inner_hookexec(hook_name, methods, kwargs, firstresult)
               ~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
      File "C:\Users\user\asdf2\.venv\Lib\site-packages\pluggy\_callers.py", line 139, in _multicall
        raise exception.with_traceback(exception.__traceback__)
      File "C:\Users\user\asdf2\.venv\Lib\site-packages\pluggy\_callers.py", line 122, in _multicall
        teardown.throw(exception)  # type: ignore[union-attr]
        ~~~~~~~~~~~~~~^^^^^^^^^^^
      File "C:\Users\user\asdf2\.venv\Lib\site-packages\_pytest\logging.py", line 868, in pytest_sessionfinish
        return (yield)
                ^^^^^
      File "C:\Users\user\asdf2\.venv\Lib\site-packages\pluggy\_callers.py", line 122, in _multicall
        teardown.throw(exception)  # type: ignore[union-attr]
        ~~~~~~~~~~~~~~^^^^^^^^^^^
      File "C:\Users\user\asdf2\.venv\Lib\site-packages\_pytest\terminal.py", line 893, in pytest_sessionfinish
        result = yield
                 ^^^^^
      File "C:\Users\user\asdf2\.venv\Lib\site-packages\pluggy\_callers.py", line 122, in _multicall
        teardown.throw(exception)  # type: ignore[union-attr]
        ~~~~~~~~~~~~~~^^^^^^^^^^^
      File "C:\Users\user\asdf2\.venv\Lib\site-packages\_pytest\warnings.py", line 141, in pytest_sessionfinish
        return (yield)
                ^^^^^
      File "C:\Users\user\asdf2\.venv\Lib\site-packages\pluggy\_callers.py", line 103, in _multicall
        res = hook_impl.function(*args)
      File "c:\Users\user\.vscode\extensions\ms-python.python-2025.3.2025031001-win32-x64\python_files\vscode_pytest\__init__.py", line 426, in pytest_sessionfinish
        send_execution_message(
        ~~~~~~~~~~~~~~~~~~~~~~^
            os.fsdecode(cwd),
            ^^^^^^^^^^^^^^^^^
            exitstatus_bool,
            ^^^^^^^^^^^^^^^^
            None,
            ^^^^^
        )
        ^
      File "c:\Users\user\.vscode\extensions\ms-python.python-2025.3.2025031001-win32-x64\python_files\vscode_pytest\__init__.py", line 871, in send_execution_message
        send_message(payload)
        ~~~~~~~~~~~~^^^^^^^^^
      File "c:\Users\user\.vscode\extensions\ms-python.python-2025.3.2025031001-win32-x64\python_files\vscode_pytest\__init__.py", line 938, in send_message
        raise VSCodePytestError(error_msg) from error
    vscode_pytest.VSCodePytestError: Error attempting to connect to extension named pipe \\.\pipe\python-test-results-1f5c84f29434e534f7a3[vscode-pytest]: [Errno 2] No such file or directory: '\\\\.\\pipe\\python-test-results-1f5c84f29434e534f7a3'
    
    During handling of the above exception, another exception occurred:
    
    Traceback (most recent call last):
      File "c:\Users\user\.vscode\extensions\ms-python.python-2025.3.2025031001-win32-x64\python_files\vscode_pytest\__init__.py", line 927, in send_message
        __writer = open(TEST_RUN_PIPE, "wb")  # noqa: SIM115, PTH123
    FileNotFoundError: [Errno 2] No such file or directory: '\\\\.\\pipe\\python-test-results-1f5c84f29434e534f7a3'
    
    The above exception was the direct cause of the following exception:
    
    Traceback (most recent call last):
      File "c:\Users\user\.vscode\extensions\ms-python.python-2025.3.2025031001-win32-x64\python_files\vscode_pytest\run_pytest_script.py", line 67, in <module>
        run_pytest(args)
        ~~~~~~~~~~^^^^^^
      File "c:\Users\user\.vscode\extensions\ms-python.python-2025.3.2025031001-win32-x64\python_files\vscode_pytest\run_pytest_script.py", line 23, in run_pytest
        pytest.main(arg_array)
        ~~~~~~~~~~~^^^^^^^^^^^
      File "C:\Users\user\asdf2\.venv\Lib\site-packages\_pytest\config\__init__.py", line 175, in main
        ret: ExitCode | int = config.hook.pytest_cmdline_main(config=config)
                              ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^
      File "C:\Users\user\asdf2\.venv\Lib\site-packages\pluggy\_hooks.py", line 513, in __call__
        return self._hookexec(self.name, self._hookimpls.copy(), kwargs, firstresult)
               ~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
      File "C:\Users\user\asdf2\.venv\Lib\site-packages\pluggy\_manager.py", line 120, in _hookexec
        return self._inner_hookexec(hook_name, methods, kwargs, firstresult)
               ~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
      File "C:\Users\user\asdf2\.venv\Lib\site-packages\pluggy\_callers.py", line 139, in _multicall
        raise exception.with_traceback(exception.__traceback__)
      File "C:\Users\user\asdf2\.venv\Lib\site-packages\pluggy\_callers.py", line 103, in _multicall
        res = hook_impl.function(*args)
      File "C:\Users\user\asdf2\.venv\Lib\site-packages\_pytest\main.py", line 330, in pytest_cmdline_main
        return wrap_session(config, _main)
      File "C:\Users\user\asdf2\.venv\Lib\site-packages\_pytest\main.py", line 318, in wrap_session
        config.hook.pytest_sessionfinish(
        ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^
            session=session, exitstatus=session.exitstatus
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
        )
        ^
      File "C:\Users\user\asdf2\.venv\Lib\site-packages\pluggy\_hooks.py", line 513, in __call__
        return self._hookexec(self.name, self._hookimpls.copy(), kwargs, firstresult)
               ~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
      File "C:\Users\user\asdf2\.venv\Lib\site-packages\pluggy\_manager.py", line 120, in _hookexec
        return self._inner_hookexec(hook_name, methods, kwargs, firstresult)
               ~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
      File "C:\Users\user\asdf2\.venv\Lib\site-packages\pluggy\_callers.py", line 139, in _multicall
        raise exception.with_traceback(exception.__traceback__)
      File "C:\Users\user\asdf2\.venv\Lib\site-packages\pluggy\_callers.py", line 122, in _multicall
        teardown.throw(exception)  # type: ignore[union-attr]
        ~~~~~~~~~~~~~~^^^^^^^^^^^
      File "C:\Users\user\asdf2\.venv\Lib\site-packages\_pytest\logging.py", line 868, in pytest_sessionfinish
        return (yield)
                ^^^^^
      File "C:\Users\user\asdf2\.venv\Lib\site-packages\pluggy\_callers.py", line 122, in _multicall
        teardown.throw(exception)  # type: ignore[union-attr]
        ~~~~~~~~~~~~~~^^^^^^^^^^^
      File "C:\Users\user\asdf2\.venv\Lib\site-packages\_pytest\terminal.py", line 893, in pytest_sessionfinish
        result = yield
                 ^^^^^
      File "C:\Users\user\asdf2\.venv\Lib\site-packages\pluggy\_callers.py", line 122, in _multicall
        teardown.throw(exception)  # type: ignore[union-attr]
        ~~~~~~~~~~~~~~^^^^^^^^^^^
      File "C:\Users\user\asdf2\.venv\Lib\site-packages\_pytest\warnings.py", line 141, in pytest_sessionfinish
        return (yield)
                ^^^^^
      File "C:\Users\user\asdf2\.venv\Lib\site-packages\pluggy\_callers.py", line 103, in _multicall
        res = hook_impl.function(*args)
      File "c:\Users\user\.vscode\extensions\ms-python.python-2025.3.2025031001-win32-x64\python_files\vscode_pytest\__init__.py", line 426, in pytest_sessionfinish
        send_execution_message(
        ~~~~~~~~~~~~~~~~~~~~~~^
            os.fsdecode(cwd),
            ^^^^^^^^^^^^^^^^^
            exitstatus_bool,
            ^^^^^^^^^^^^^^^^
            None,
            ^^^^^
        )
        ^
      File "c:\Users\user\.vscode\extensions\ms-python.python-2025.3.2025031001-win32-x64\python_files\vscode_pytest\__init__.py", line 871, in send_execution_message
        send_message(payload)
        ~~~~~~~~~~~~^^^^^^^^^
      File "c:\Users\user\.vscode\extensions\ms-python.python-2025.3.2025031001-win32-x64\python_files\vscode_pytest\__init__.py", line 938, in send_message
        raise VSCodePytestError(error_msg) from error
    vscode_pytest.VSCodePytestError: Error attempting to connect to extension named pipe \\.\pipe\python-test-results-1f5c84f29434e534f7a3[vscode-pytest]: [Errno 2] No such file or directory: '\\\\.\\pipe\\python-test-results-1f5c84f29434e534f7a3'
    Finished running tests!
    

    Sorry to make you try things I just can't get the behavior to reproduce for me.

    no worries, thanks for taking the time to investigate

    I am wondering if it is the difference in OS types that might be causing auto attempts at rerunning when exceptions occur? Just a theory tho

    i'm on windows 11, let me know if you need any more details and i will try to provide them

  6. bersbersbers commented on Mar 21, 2025

    @bersbersbers

    #24307 (comment) has reproduction details for a likely duplicate issue that I reported in October. The reason for that issue (and like this one here, too) is fundamentally flawed logic here:

    print("Running pytest with args: " + str(arg_array))
    pytest.main(arg_array)
    except Exception as e:
    print("Error[vscode-pytest]: unable to read testIds from temp file" + str(e))
    run_pytest(args)

    Sorry to be so blunt, but I really wonder why anyone still spends time investigating follow-up issues rather than fixing the original issue that has been for half a year, added reproduction steps, analyzed, and proposed a solution.

  7. DetachHead commented on Mar 21, 2025

    @DetachHead
    Author

    Sorry to be so blunt, but I really wonder why anyone still spends time investigating follow-up issues rather than fixing the original issue that has been for half a year, added reproduction steps, analyzed, and proposed a solution.

    i did see your issue before i opened this one but i wasn't certain it was the same issue which is why i raised a separate one and linked it as a potentially related issue. reading your issue again more carefully i see now that they are very likely to be the same underlying issue, so i'll close mine as a duplicate

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