Update llama_chat_bot.py

llama_chat_bot.py

@@ -11,11 +11,15 @@ Original file is located at
 # pip install -e --upgrade gradio
 
 import transformers
+import os
+
+hf_token=os.environ['HF_TOKEN']
+
 
 from transformers import AutoTokenizer
 
 model = "meta-llama/Llama-2-7b-chat-hf"
-tokenizer = AutoTokenizer.from_pretrained(model, token=True)
+tokenizer = AutoTokenizer.from_pretrained(model, token=hf_token)
 
 # pip3 install --pre torch torchvision torchaudio --index-url https://download.pytorch.org/whl/nightly/cpu