[Checkins] [zopefoundation/zope.interface] 1668c8: Fix repr of "Attribute" to look like before

[Jens W. Klein]

  Branch: refs/heads/fix-signature
  Home:   https://github.com/zopefoundation/zope.interface
  Commit: 1668c8a854e8e2e44e72da0c03a496bf3628e557
      https://github.com/zopefoundation/zope.interface/commit/1668c8a854e8e2e44e72da0c03a496bf3628e557
  Author: Jens W. Klein <jk at kleinundpartner.at>
  Date:   2020-02-15 (Sat, 15 Feb 2020)

  Changed paths:
    M CHANGES.rst
    M src/zope/interface/interface.py

  Log Message:
  -----------
  Fix repr of "Attribute" to look like before

and as usual in Python.