[Python-checkins] [python/cpython] ff4873: bpo-30463: Add an empty __slots__ to abc.ABC.

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/python/cpython
  Commit: ff48739ed0a3f366c4d56d3c86a37cbdeec600de
      https://github.com/python/cpython/commit/ff48739ed0a3f366c4d56d3c86a37cbdeec600de
  Author: Aaron Hall, MBA <aaronchall at yahoo.com>
  Date:   2017-06-06 (Tue, 06 Jun 2017)

  Changed paths:
    M Lib/abc.py
    M Lib/test/test_abc.py
    M Misc/NEWS

  Log Message:
  -----------
  bpo-30463: Add an empty __slots__ to abc.ABC.