[docs] [issue21540] PEP 8 should recommend "is not" and "not in"

[Barry A. Warsaw]

Barry A. Warsaw added the comment:

Agreed!  I'll update the PEP.  Thanks.

----------
assignee:  -> barry

_______________________________________
Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue21540>
_______________________________________