# HG changeset patch
# User Pulkit Goyal <7895pulkit@gmail.com>
# Date 2018-03-01 18:22:30
# Node ID 149c5af35de5f3c46e97e7d41f345de7cfbf37cc
# Parent  1c4247b0040ae41cd513a12178b96e65d313cd37

py3: listify the return value of filter()

filter() on Python 3 returns a filter object.

Differential Revision: https://phab.mercurial-scm.org/D2515

diff --git a/hgext/narrow/narrowchangegroup.py b/hgext/narrow/narrowchangegroup.py
--- a/hgext/narrow/narrowchangegroup.py
+++ b/hgext/narrow/narrowchangegroup.py
@@ -44,7 +44,7 @@ def setup():
                       source):
         matcher = _cgmatcher(self)
         if matcher:
-            changedfiles = filter(matcher, changedfiles)
+            changedfiles = list(filter(matcher, changedfiles))
         if getattr(self, 'is_shallow', False):
             # See comment in generate() for why this sadness is a thing.
             mfdicts = self._mfdicts