diff options
Diffstat (limited to 'lib/sqlalchemy')
| -rw-r--r-- | lib/sqlalchemy/topological.py | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/sqlalchemy/topological.py b/lib/sqlalchemy/topological.py index d35213f6b..9e584ff4e 100644 --- a/lib/sqlalchemy/topological.py +++ b/lib/sqlalchemy/topological.py @@ -270,7 +270,7 @@ def _find_cycles(edges): for (n, key) in edges.edges_by_parent(node): if key in cycle: continue - cycle.add(key) + cycle.append(key) if key is goal: cycset = set(cycle) for x in cycle: @@ -287,7 +287,7 @@ def _find_cycles(edges): cycle.pop() for parent in edges.get_parents(): - traverse(parent, set(), parent) + traverse(parent, [], parent) unique_cycles = set(tuple(s) for s in cycles.values()) |