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-rw-r--r--lib/sqlalchemy/topological.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/sqlalchemy/topological.py b/lib/sqlalchemy/topological.py
index b744edaa5..a13923885 100644
--- a/lib/sqlalchemy/topological.py
+++ b/lib/sqlalchemy/topological.py
@@ -196,7 +196,7 @@ class QueueDependencySorter(object):
for n in nodes.values():
if not edges.has_parents(n):
queue.append(n)
- cycles = {}
+
output = []
while nodes:
if not queue: