Update chatbot.py

chatbot.py

@@ -19,7 +19,7 @@ class Comsatsbot:
             "llama-3.1-70b-versatile",
             "llama3-70b-8192"
         ]
-        self.memory = ConversationTokenBufferMemory(llm=self.llm, max_token_limit=3000)
+        self.memory = ConversationBufferMemory(llm=self.llm, max_token_limit=3000)
         self.chats_collection = chats_collection
         self.index_path = index_path
         self.hf = hf