added hf token

app.py

@@ -4,6 +4,7 @@ import requests
 import pytz
 import yaml
 from tools.final_answer import FinalAnswerTool
+import os
 
 from Gradio_UI import GradioUI
 
@@ -36,6 +37,7 @@ def get_current_time_in_timezone(timezone: str) -> str:
 
 final_answer = FinalAnswerTool()
 model = HfApiModel(
+token = os.environ["HF_TOKEN"],
 max_tokens=2096,
 temperature=0.5,
 model_id='mistralai/Mistral-7B-instruct-v0.3',# it is possible that this model may be overloaded