# HG changeset patch
# User Augie Fackler <augie@google.com>
# Date 2017-03-12 23:47:51
# Node ID 7359157b9e46908645cc9cef62a5cf46224dba71
# Parent  65d93d7127777c184f7af0c9aeb4530f93f14094

branchmap: fix python 2.6 by using util.buffer() instead of passing bytearray

diff --git a/mercurial/branchmap.py b/mercurial/branchmap.py
--- a/mercurial/branchmap.py
+++ b/mercurial/branchmap.py
@@ -408,7 +408,8 @@ class revbranchcache(object):
 
         # fast path: extract data from cache, use it if node is matching
         reponode = changelog.node(rev)[:_rbcnodelen]
-        cachenode, branchidx = unpack_from(_rbcrecfmt, self._rbcrevs, rbcrevidx)
+        cachenode, branchidx = unpack_from(
+            _rbcrecfmt, util.buffer(self._rbcrevs), rbcrevidx)
         close = bool(branchidx & _rbccloseflag)
         if close:
             branchidx &= _rbcbranchidxmask