include directories if they aren't already being searched. This avoids
  an explicit runtime library dependency.

Patch from Andreas Schwab.

Patch by Sam Lucidi.

when building in a separate object tree. More people should build this way.
This may still fail if the source is unwritable, I haven't tested that yet.

It raises AssertionError if the mock has been called.

It raises `AttributeError` incase of an attribute startswith assert
or assret.

Initial patch by Caelyn McAulay.

Issue #20896: ssl.get_server_certificate() now uses PROTOCOL_SSLv23, not PROTOCOL_SSLv3, for maximum compatibility.

Patch by Sam Kimbrel.

Close issue #8931: Make alternate formatting for 'c' raise an exception. Patch by Torsten Landschoff.

Patch by Christian Hudon.

Patch by Rafael Mejia.

Closes issue 21239. unittest.mock.patch.stopall() did not work deterministically when the same name was patched multiple times.