diff --git a/rhodecode/lib/vcs/utils/hgcompat.py b/rhodecode/lib/vcs/utils/hgcompat.py
--- a/rhodecode/lib/vcs/utils/hgcompat.py
+++ b/rhodecode/lib/vcs/utils/hgcompat.py
@@ -14,4 +14,5 @@ from mercurial.node import hex
 from mercurial.encoding import tolocal
 from mercurial import discovery
 from mercurial import localrepo
-from mercurial import scmutil
\ No newline at end of file
+from mercurial import scmutil
+from mercurial.discovery import findcommonoutgoing
\ No newline at end of file