Update app.py

app.py

@@ -15,8 +15,8 @@ import os
 st.set_page_config(page_title="ITC Financial Analysis ChatBot", layout="centered")
 
 # API key
-key = os.environ.get("GOOGLE_API_KEY")
-if not key:
+API_key = os.environ.get("GOOGLE_API_KEY")
+if not API_key:
     st.error("❌ GOOGLE_API_KEY not found. Please set it in your Hugging Face Secrets.")
     st.stop()