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bpo-46642: explicitly disallow typing.TypeVar instance subclassing #31148

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Merged
serhiy-storchaka merged 7 commits into from
Jun 25, 2022
Merged

bpo-46642: explicitly disallow typing.TypeVar instance subclassing #31148

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c51f48e
explicitly disallow typing.TypeVar subclassing
GBeauregard Feb 5, 2022
3659772
📜🤖 Added by blurb_it.
blurb-it[bot] Feb 5, 2022
a3c54d5
make test match regex
GBeauregard Feb 6, 2022
3b68cda
Merge branch 'python:main' into fix-typevar-test
GBeauregard Feb 6, 2022
a7a6074
Merge branch 'main' into fix-typevar-test
serhiy-storchaka Jun 21, 2022
bf233d1
More explicit errors and more tests.
serhiy-storchaka Jun 21, 2022
a854d32
Update a NEWS entry.
serhiy-storchaka Jun 21, 2022
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Update a NEWS entry.
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@serhiy-storchaka
serhiy-storchaka committed Jun 21, 2022
commit a854d32e7f0eeef4a842bab88f0f2d861107ee95
2 changes: 1 addition & 1 deletion Misc/NEWS.d/next/Library/2022-02-05-18-46-54.bpo-46642.YI6nHQ.rst
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Improve error message when trying to subclass an instance of :data:`typing.TypeVar`. Patch by Gregory Beauregard.
Improve error message when trying to subclass an instance of :data:`typing.TypeVar`, :data:`typing.ParamSpec`, :data:`typing.TypeVarTuple`, etc. Based on patch by Gregory Beauregard.