Update app.py

app.py

@@ -79,10 +79,16 @@ from itertools import cycle
 from serpapi import GoogleSearch
 
 # ======================== CONFIGURE OPENAI & SERPAPI ========================
-# MODIFIED: Get API keys from Hugging Face Secrets (environment variables)
+# MODIFIED: Get API keys from Hugging Face Secrets and add error handling
 openai_api_key = os.environ.get("OPENAI_API_KEY")
 serpapi_key = os.environ.get("SERPAPI_KEY")
 
+if not openai_api_key:
+    raise ValueError("🔴 ERROR: The OPENAI_API_KEY secret is not set in your Hugging Face Space settings!")
+
+if not serpapi_key:
+    raise ValueError("🔴 ERROR: The SERPAPI_KEY secret is not set in your Hugging Face Space settings!")
+
 client = OpenAI(api_key=openai_api_key)
 SERPAPI_KEY = serpapi_key