[Checkins] [zopefoundation/zope.interface] cf19f8: Make the singleton _empty immutable.
Jason Madden
noreply at github.com
Mon Jan 27 18:33:30 CET 2020
Branch: refs/heads/issue158
Home: https://github.com/zopefoundation/zope.interface
Commit: cf19f8be529670929e4e2a6f4722b41a8a543e51
https://github.com/zopefoundation/zope.interface/commit/cf19f8be529670929e4e2a6f4722b41a8a543e51
Author: Jason Madden <jamadden at gmail.com>
Date: 2020-01-27 (Mon, 27 Jan 2020)
Changed paths:
M CHANGES.rst
M src/zope/interface/declarations.py
M src/zope/interface/tests/test_declarations.py
Log Message:
-----------
Make the singleton _empty immutable.
Fixes #158
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