TYP: Update typing for 3.10 #61453

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Dr-Irv wants to merge 3 commits into pandas-dev:main from Dr-Irv:typing_310

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Dr-Irv commented May 18, 2025

Ran pyupgrade so that typing is updated to python 3.10 - that modified files in pandas/_libs
Updated pandas/_typing.py to have the following:
- Use TypeAlias to declare all types
- Change Type to use builtins.type
- Remove Optional
- Remove use of Union except for when it is used on a pandas type

Dr-Irv added 3 commits

May 18, 2025 17:35


          update typing for 3.10

9f556b3


          add 2 more TypeAlias

30d91e6


          add 2 more TypeAlias

949265b

rhshadrach added the Typing label

rhshadrach changed the title ~~update typing for 3.10~~ TYP: Update typing for 3.10

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