cpython

bpo-33699: Describe try's else clause with the rest of the try clause (GH-7252)

dict insertion order is guaranteed since 3.7 (GH-10431)

bpo-34864: Document two IDLE on MacOS issues. (GH-10456)

bpo-35202: Remove unused imports in Lib directory. (GH-10446)

bpo-35202: Remove unused imports in idlelib (GH-10438)