--- a/hgext3rd/serverminitopic.py	Fri Oct 19 09:02:35 2018 -0700
+++ b/hgext3rd/serverminitopic.py	Sun Oct 21 00:08:27 2018 +0300
@@ -67,7 +67,7 @@
         if 'branchinfo' in vars(self):
             del self.branchinfo
 
-    def branchinfo(self, rev):
+    def branchinfo(self, rev, changelog=None):
         """return branch name and close flag for rev, using and updating
         persistent cache."""
         phase = self._repo._phasecache.phase(self._repo, rev)