Update app.py

app.py

@@ -7,6 +7,12 @@ from tools.final_answer import FinalAnswerTool
 
 from Gradio_UI import GradioUI
 
+import os
+if not os.getenv("HF_TOKEN"):
+    print("Error: HF_TOKEN is not set or is empty.")
+else:
+    print("HF_TOKEN is set.")
+
 # Below is an example of a tool that does nothing. Amaze us with your creativity !
 @tool
 def my_custom_tool(arg1:str, arg2:int)-> str: #it's import to specify the return type