one of those non-2.3 generators got in there...

diff --git a/lib/sqlalchemy/topological.py b/lib/sqlalchemy/topological.py
index 25e57632bc9445b1f5de0cd7ccb47a75a61dd99e..5bd691f311c421d3cd7ccf60c22403b8546eef50 100644 (file)
--- a/lib/sqlalchemy/topological.py
+++ b/lib/sqlalchemy/topological.py
@@ -260,7 +260,7 @@ class QueueDependencySorter(object):
         for parent in edges.get_parents():
             traverse(parent)
 
-        for cycle in dict((id(s), s) for s in cycles.values()).values():
+        for cycle in dict([(id(s), s) for s in cycles.values()]).values():
             edgecollection = []
             for edge in edges:
                 if edge[0] in cycle and edge[1] in cycle: