Based on patch by Julien.

Patch by Georg Brandl.

instead of silently return incorrect result.

The reload(sys) effect was the crux of a Stackoverflow question.

The bug only occurs on SunOS when the ctypes implementation searches
for the `crle` program.  Patch by Xiang Zhang.  Tested on SunOS by
Kees Bos.

BaseResult no longer exists and it has been replaced by namedtuple.

Patch by Matthew Gilson.

Patch by Xiang Zhang.

itemgetter, attrgetter and methodcaller objects.

Now it actually matches the prose docs.

Reported by Axel Luttgens.

urllib.request will prefer lower_case proxy environment variables over
UPPER_CASE or Mixed_Case ones.

differing items.  This affects assertListEqual() and assertTupleEqual().

silently ignore keyword arguments.

Patches by Jonas Wagner and Xavier de Gaye.

Issue #26799: Fix python-gdb.py: don't get C types once when the Python code is
loaded, but get C types on demand. The C types can change if python-gdb.py is
loaded before the Python executable. Patch written by Thomas Ilsche.

Based on patch by Philipp Hagemeister.  This fixes a regression caused by
revision 6b314f5c9404.

Based on patch by Hagen Fürstenau.

It was printed UserWarning output because catch_warnings() was missing
record=True.

Disable inappropriate links to Python interpreter options. Also make CLI
section label in timeit less ambiguous.

This affects documentation and code comments.