skip multiprocessing main handling test when Python is built without threads
Issue #20037: Avoid crashes when doing text I/O late at interpreter shutdown.
Issue #16136: Remove VMS support and VMS-related code
merge
Make CPython PEP summary entry links consistent, add pep 456 discussion.
Issue #18879: When a method is looked up on a temporary file, avoid closing the file before the method is possibly called.
Issue #18879: When a method is looked up on a temporary file, avoid closing the file before the method is possibly called.
Fix DeprecationWarnings in test suite
Null merge
Issue #20045: Fix "setup.py register --list-classifiers".
Issue #20045: Fix "setup.py register --list-classifiers".
Fix urllib.request.build_opener mocking in test_distutils (should fix some random buildbot failures)
Fix urllib.request.build_opener mocking in test_distutils (should fix some random buildbot failures)
Issue #12226: HTTPS is now used by default when connecting to PyPI.
Issue #12226: HTTPS is now used by default when connecting to PyPI.
Null merge (#12226 already fixed on default)
s/lightweight/minimal/, as per issue #11379.
s/lightweight/minimal/, as per issue #11379.