mercurial/thirdparty/zope/interface/_flatten.py

--- a/mercurial/thirdparty/zope/interface/_flatten.py	Wed Mar 21 19:49:07 2018 -0700
+++ b/mercurial/thirdparty/zope/interface/_flatten.py	Wed Mar 21 19:52:30 2018 -0700
@@ -15,7 +15,10 @@
 
 See Adapter class.
 """
-from zope.interface import Declaration
+
+from __future__ import absolute_import
+
+from .interface import Declaration
 
 def _flatten(implements, include_None=0):