silence validation

Author: jan-janssen

python_workflow_definition/src/python_workflow_definition/pyiron_workflow.py

@@ -272,7 +272,9 @@ def load_workflow_json(file_name: str) -> Workflow:
                 name = fnc.__name__ + "_" + str(counter_dict[node_dict["value"]])
             else:
                 name = fnc.__name__
-            n = function_node(fnc, output_labels=name)  # Strictly force single-output
+            n = function_node(
+                fnc, output_labels=name, validate_output_labels=False
+            )  # Strictly force single-output
             nodes[node_dict["id"]] = n
             wf.add_child(child=n, label=name)
         elif node_dict["type"] == "input":