Update app.py

app.py

@@ -7,9 +7,11 @@ from io import StringIO
 import os
 from flask import Flask, request, jsonify
 
-# Accessing the token from environment variables
 hf_token = os.getenv('HF_API_TOKEN')
 
+if not hf_token:
+    raise ValueError("Hugging Face API token is not set. Please set the HF_API_TOKEN environment variable.")
+
 # Ensure that you load the token before making API requests
 
 # Set environment variable to avoid floating-point errors