Update app.py

app.py

@@ -12,7 +12,7 @@ from langchain_community.retrievers import BM25Retriever
 from langchain.retrievers import EnsembleRetriever
 
 # Environment variable for API token
-api_token = os.getenv("FirstToken")
+api_token = os.getenv("API_TOKEN")
 print(f"API Token loaded: {api_token[:5]}...")  # Debug: Show first 5 chars of token
 if not api_token:
     raise ValueError("Environment variable 'FirstToken' not set. Please set the Hugging Face API token.")