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mypy.ini module-specific override doesn't work without __init__.py #9974
Description
In the following layout:
- mypy.ini contains
[mypy]
disallow_untyped_defs = True
[mypy-a.b.*]
disallow_untyped_defs = False
acontains__init__.pyand a directorya/ba/bcontainsc.pywith an untyped def
Mypy will complain about missing type annotations in a.b.c. If I create a/b/__init__.py, the errors go away. This is a regression in v0.800.
Activity
hauntsaninja commentedon Jan 26, 2021
Are you using
--namespace-packages? (It's probably not a regression as much as mypy previously just didn't checkc.py)JelleZijlstra commentedon Jan 26, 2021
I'm not using
--namespace-packages. I think you're right that the file was not checked before, so this is not so much as a regression as a pre-existing bug that got exposed by recent changes.hauntsaninja commentedon Jan 26, 2021
You'll need to use
--namespace-packagesfor mypy to treata/b/c.pyasa.b.cinstead ofc. Alternatively, you can add__init__.pytoa/b.hauntsaninja commentedon Jan 26, 2021
So I don't think that there is a bug here, although mypy should make
--namespace-packagesthe default (#9636)