Fixed grid_columnconfigure() and grid_rowconfigure() methods of
Tkinter widgets to work in wantobjects=True mode.
Issue #20672: Fixed tests for TarFile.list() on non-UTF-8 locales.
Issue #20510: Confirm that the code attribute of the SystemExit
exception raised by sys.exit is None when no code is given.

As suggested by Serhiy Storchaka.
Merge heads
open retrieved file in binary mode, since it's now compressed
update logo url (#20695)
bump Python-ast.c
merge 3.2 (#20695)