=== modified file 'graph.py'
--- graph.py	2008-05-23 03:42:17 +0000
+++ graph.py	2008-08-30 18:16:29 +0000
@@ -83,10 +83,11 @@
     return new_ancestors
 
 def get_rev_info(rev_id, source):
-    """Return the committer, message, and date of a revision."""
+    """Return the committer, message, nick and date of a revision."""
     committer = None
     message = None
     date = None
+    nick = None
     if rev_id == 'null:':
         return None, 'Null Revision', None, None
     try: