Update chatbot.py

chatbot.py

@@ -24,7 +24,7 @@ class Comsatsbot:
          # self.memory = ConversationTokenBufferMemory(llm=self.llm, max_token_limit=3000)
 
 # Load LLaMA-compatible tokenizer
-        tokenizer = AutoTokenizer.from_pretrained("meta-llama/Llama-2-7b-chat-hf")
+        tokenizer = AutoTokenizer.from_pretrained("gpt2")
 
 # Define a simple token counting function
     def llama_token_count(text: str) -> int: