[Python-checkins] [python/cpython] 964f17: use != instead of 'is not'

[GitHub]

  Branch: refs/heads/bpo-30014-selectors-modify-speedup
  Home:   https://github.com/python/cpython
  Commit: 964f17511441b96de8e8123756323b92585e8a99
      https://github.com/python/cpython/commit/964f17511441b96de8e8123756323b92585e8a99
  Author: Giampaolo Rodola <g.rodola at gmail.com>
  Date:   2017-06-09 (Fri, 09 Jun 2017)

  Changed paths:
    M Lib/selectors.py

  Log Message:
  -----------
  use != instead of 'is not'