# 
# patch "dumb.py"
#  from [6d79025eea4e9a9576e61e3ccad42b318bfe5e47]
#    to [c2bf50694f1bb54ab701e3d5a77f244294e77a19]
# 
========================================================================
--- dumb.py	6d79025eea4e9a9576e61e3ccad42b318bfe5e47
+++ dumb.py	c2bf50694f1bb54ab701e3d5a77f244294e77a19
@@ -1,9 +1,9 @@
 import sha
 from sets import Set
 import os
 import os.path
 from cStringIO import StringIO
-from merkle_dir import MerkleDir
+from merkle_dir import MerkleDir, LockError
 from fs import readable_fs_for_url, writeable_fs_for_url
 import zlib
 
@@ -78,6 +78,7 @@
         raise
     except:
         md.rollback()
+        raise
 
 class CounterCallback:
     def __init__(self):