Fix infinite recursion in swagger.py for circular models, fixes noirb…

…izarre#190
Drarok · Jun 18, 2019 · fd8358a · fd8358a
1 parent e911078
commit fd8358a
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/flask_restplus/swagger.py b/flask_restplus/swagger.py
@@ -550,6 +550,8 @@ def register_model(self, model):
         if name not in self.api.models:
             raise ValueError('Model {0} not registered'.format(name))
         specs = self.api.models[name]
+        if name in self._registered_models:
+            return ref(model)
         self._registered_models[name] = specs
         if isinstance(specs, ModelBase):
             for parent in specs.__parents__: