Update app.py

try to add api token to access ugh

app.py

@@ -5,6 +5,8 @@ import pytz
 import yaml
 from tools.final_answer import FinalAnswerTool
 import os
+# Access the token from environment variables
+#hf_token = os.environ.get("HF_TOKEN")
 
 from Gradio_UI import GradioUI
 
@@ -89,6 +91,7 @@ model = HfApiModel(
 max_tokens=2096,
 temperature=0.5,
 model_id='microsoft/Phi-4-mini-instruct',
+api_token=os.environ.get("HF_TOKEN"),
 #model_id='Qwen/Qwen2.5-Coder-32B-Instruct',# it is possible that this model may be overloaded
 custom_role_conversions=None
 )