closes #20960
Remove stray semicolon
Typo
Typo
Typo
Fix typo in example (#20963)
correct the fix for #20637; allow slot descriptor inheritance to take place before creating cached keys
move SharedKeyTests to test_descr
Issue #20879: Delay the initialization of encoding and decoding tables for
base32, ascii85 and base85 codecs in the base64 module, and delay the
initialization of the unquote_to_bytes() table of the urllib.parse module, to
not waste memory if these modules are not used.