Update modeling.py

modeling.py

@@ -630,7 +630,7 @@ class ExtendedMptModel(MptPreTrainedModel):
         self.sim_threshold = config.attn_config.sim_threshold
         self.topk = config.attn_config.topk
         self.use_external_mind = config.use_external_mind
-        self.use_external_mind_by_layer = config.use_external_mind_by_layer
+        self.use_external_mind_by_layer = config.attn_config.use_external_mind_by_layer
 
     def get_input_embeddings(self):
         return self.wte