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Proxy error for typed-ast (SystemError or "duplicate type signatures") #3127
Description
This is mostly for people searching our issue tracker. If you get one of these errors and there's nothing wrong with your source, it's probably this typed_ast issue: python/typed_ast#36
SystemError: <built-in function _parse> returned a result with an error setFunction has duplicate type signatures
This issue should be closed once the typed_ast error is fixed, a new typed_ast error is pushed to PyPI, and the dependencies in mypy master are updated.
Activity
gvanrossum commentedon Apr 8, 2017
I had an internal diff that was consistently failing with this problem and it is passing with python/typed_ast#38 applied, so I am confident that we've nailed the issue.
Bump required typed_ast version to 1.0.3 (#3152)