These added a path attribute to pathlib.Path objects, and docs.
Instead, we're going to use PEP 519.

(Starting in the 3.4 branch and merging forward from there since that's what I did originally.)

Issue #27057: Fix os.set_inheritable() on Android, ioctl() is blocked by
SELinux and fails with EACCESS. The function now falls back to fcntl().

Patch written by Michał Bednarski.

Removes versioning from py.exe launcher installer and ensures that old launchers are replaced by newer ones.

Documentation updates by Martin Panter.

issue27045 - Use backslash in windows path to script file.