Fix test_urllib without the ssl module
#22751: fix test___all__ warning about modified environment in the tests.  Patch by Michael Cetrulo.
#22751: merge with 3.4.
Issue #22388: Unified the style of "Contributed by" sentences in What's New.
Issue #22388: Unified the style of "Contributed by" sentences in What's New.
Merge heads
Merge heads
Null merge
Fix English phrasing.
Reflow paragraph.
Merge asyncio doc English phrasing fix.
Issue #22335: Fix crash when trying to enlarge a bytearray to 0x7fffffff bytes on a 32-bit platform.
Issue #22335: Fix crash when trying to enlarge a bytearray to 0x7fffffff bytes on a 32-bit platform.
Merge heads