diff --git a/lib/galaxy/util/directory_hash.py b/lib/galaxy/util/directory_hash.py
index 8bfd1babce1..303da7535bd 100644
--- a/lib/galaxy/util/directory_hash.py
+++ b/lib/galaxy/util/directory_hash.py
@@ -1,6 +1,7 @@
 
 from galaxy.util import is_uuid
 
+
 def directory_hash_id( id ):
     """