Update app.py

app.py

@@ -112,7 +112,7 @@ def initialize_llm():
     try:
         print("Starting LLM initialization...")
         
-        api_token = os.environ.get('HUGGINGFACE_API_TOKEN')
+        api_token = os.environ.get('HF_TOKEN')
         if not api_token:
             raise ValueError("HUGGINGFACE_API_TOKEN not found in environment variables")
         print("API token found")