Update handler.py

handler.py

@@ -243,7 +243,7 @@ class EndpointHandler():
         model_id = data.pop("model_id", None)
 
         # check if model_id is in the list of models
-        if model_id is None or model_id not in self.multi_model_list:
+        if model_id is None or model_id not in multi_model_list:
             raise ValueError(f"model_id: {model_id} is not valid. Available models are: {list(self.multi_model.keys())}")
 
         # # pass inputs with all kwargs in data