Correct typo in typing.py (GH-100423)


In the docstring of `ParamSpec`, the name of `P = ParamSpec('P')` was
mistakenly written as `'T'`.
(cherry picked from commit 68981578eceee763da4163e93cf653cc6b1b6d35)

Co-authored-by: david-why <david_why@outlook.com>
1 file changed