Update chatbot.py

chatbot.py

@@ -18,7 +18,7 @@ class Comsatsbot:
 
         # Initialize memory buffer and MongoDB connection
         self.memory = ConversationTokenBufferMemory(llm=self.llm, max_token_limit=3000, memory_key="chat_history",  # optional but recommended
-    return_messages=True        # optional, depends on your chain)
+    return_messages=True  )
         self.chats_collection = chats_collection
         self.index_path = index_path
         self.hf = hf