# HG changeset patch
# User Augie Fackler <augie@google.com>
# Date 2019-11-06 22:46:12
# Node ID 3e57809d3251bef33ffab47d340c22cfa6437f22
# Parent  271af23d01a98ecf87c30c156535fe20be129620

templateutil: fix a missing ABCMeta assignment

Caught by pytype.

Differential Revision: https://phab.mercurial-scm.org/D7262

diff --git a/mercurial/templateutil.py b/mercurial/templateutil.py
--- a/mercurial/templateutil.py
+++ b/mercurial/templateutil.py
@@ -111,6 +111,8 @@ class wrapped(object):
 class mappable(object):
     """Object which can be converted to a single template mapping"""
 
+    __metaclass__ = abc.ABCMeta
+
     def itermaps(self, context):
         yield self.tomap(context)