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-rw-r--r--taskflow/engines/action_engine/engine.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/taskflow/engines/action_engine/engine.py b/taskflow/engines/action_engine/engine.py
index a1d1fc0..dd8d38c 100644
--- a/taskflow/engines/action_engine/engine.py
+++ b/taskflow/engines/action_engine/engine.py
@@ -349,7 +349,7 @@ class ActionEngine(base.Engine):
seen = set()
dups = set()
execution_graph = compilation.execution_graph
- for node, node_attrs in execution_graph.nodes_iter(data=True):
+ for node, node_attrs in execution_graph.nodes(data=True):
if node_attrs['kind'] in compiler.ATOMS:
atom_name = node.name
if atom_name in seen: