Update chatbot.py

chatbot.py

@@ -21,8 +21,8 @@ class Comsatsbot:
 
 
         # Initialize memory buffer and MongoDB connection
-        #self.memory = ConversationTokenBufferMemory(llm=self.llm, max_token_limit=3000 )
-        self.memory = ConversationBufferMemory( return_messages=True, memory_key="chat_history")
+        self.memory = ConversationTokenBufferMemory(llm=self.llm, max_token_limit=3000 )
+        #self.memory = ConversationBufferMemory( return_messages=True, memory_key="chat_history")
         self.chats_collection = chats_collection
         self.index_path = index_path
         self.hf = hf