#
#
# patch "tracvc/mtn/backend.py"
#  from [409beefcb402234e0468dd540eeb7c2df923097d]
#    to [f61e9836fccd9c084387d569b0cc3f9d7c76b32c]
#
============================================================
--- tracvc/mtn/backend.py	409beefcb402234e0468dd540eeb7c2df923097d
+++ tracvc/mtn/backend.py	f61e9836fccd9c084387d569b0cc3f9d7c76b32c
@@ -347,7 +347,7 @@ class MonotoneRepository(Repository):
         Return a canonical representation of path in the repos.
         We strip trailing slashes except for the root.
         """
-        return '/' + path.strip('/')
+        return '/' + (path and path.strip('/') or '')
 
     def normalize_rev(self, rev):
         """