# HG changeset patch
# User Pulkit Goyal <pulkit@yandex-team.ru>
# Date 2019-03-01 23:54:35
# Node ID 38de3300414fb7412418ba7e7be62320d30a6524
# Parent  dcbb1b4dc93a9105b559502826b87f69e9f8c32c

py3: convert filtername to str if it's None

I have not called pycompat.bytestr() and rather converted the value there
because I am starting to get concerned about the function call overhead of all
this bytes to str or vice versa convert functions.

Differential Revision: https://phab.mercurial-scm.org/D6042

diff --git a/mercurial/branchmap.py b/mercurial/branchmap.py
--- a/mercurial/branchmap.py
+++ b/mercurial/branchmap.py
@@ -360,7 +360,7 @@ class branchcache(dict):
 
         duration = util.timer() - starttime
         repo.ui.log('branchcache', 'updated %s branch cache in %.4f seconds\n',
-                    repo.filtername, duration)
+                    repo.filtername or b'None', duration)
 
         self.write(repo)