Update difpoint/src/models/predictor.py

difpoint/src/models/predictor.py

@@ -194,8 +194,8 @@ class OnnxRuntimePredictor:
         #self.inputs = self.onnx_model.get_inputs()
         #self.outputs = self.onnx_model.get_outputs()
         self.onnx_model = None
-        self.inputs = None
-        self.outputs = None
+        self.inputs = []
+        self.outputs = []
 
     def _load_model(self):
         """Lazy initialization of the ONNX model (only when needed)."""