cpython

gh-140938: Raise ValueError for infinite inputs to stdev/pstdev (GH-141531)

gh-141367: Use CALL_LIST_APPEND instruction only for lists, not for list subclasses (GH-141398)

gh-114203: skip locking if object is already locked by two-mutex critical section (#141476)

gh-141488: Add `Py_` prefix to Include/datetime.h macros (#141493)

Add PyManager troubleshooting steps for direct launch of script files (GH-141530)