Issue #12546: Allow \x00 as a fill character for builtin type __format__ methods.
Issue #20624: Merge exception docs tweak from 3.4 branch.
disallow a negative idx parameter
do not generate pipe names in the temporary dir
Closes #20956: 2.7 tokenize does not produce named tuples. Patch by Sam Kimbrel.
temporary change to get better debugging from windows bots
Backed out changeset 81abb121dc65
when an exception is raised in fdopen, never close the fd (changing on my mind on #21191)
add missing NULL check