Preserve (some) implicitly exported types #13967
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Fixes some of python#13965 We also need to modify attribute access logic (this is the TODO in the PR), which is a little trickier. But cases like python#13933 convinced me it's worth making this change, even before I get around to figuring that out.
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Diff from mypy_primer, showing the effect of this PR on open source code: urllib3 (https://github.com/urllib3/urllib3)
+ test/test_connection.py:60: error: "CertificateError" has no attribute "_peer_cert" [attr-defined]
+ test/test_connection.py:75: error: "CertificateError" has no attribute "_peer_cert" [attr-defined]
+ test/test_connection.py:135: error: "CertificateError" has no attribute "_peer_cert" [attr-defined]
+ test/test_connection.py:169: error: "CertificateError" has no attribute "_peer_cert" [attr-defined]
streamlit (https://github.com/streamlit/streamlit)
+ lib/tests/streamlit/web/server/browser_websocket_handler_test.py: note: In member "test_backmsg_deserialization_exception" of class "BrowserWebSocketHandlerTest":
+ lib/tests/streamlit/web/server/browser_websocket_handler_test.py:75:58: error: Incompatible types in assignment (expression has type "SessionClient", variable has type "BrowserWebSocketHandler") [assignment]
parso (https://github.com/davidhalter/parso)
- parso/python/tree.py:49: error: Name "Mapping" already defined (possibly by an import) [no-redef]
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mypy_primer looking good! |
JukkaL
approved these changes
Oct 31, 2022
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Fixes some of #13965, fixes #12749
We also need to modify attribute access logic (this is the TODO in the PR), which is a little trickier. But cases like #13933 convinced me it's worth making this change, even before I get around to figuring that out.