Update app.py

app.py

@@ -22,7 +22,7 @@ from openai import OpenAI
 # Create Client
 client = OpenAI(
     base_url="https://api.endpoints.anyscale.com/v1",
-    api_key=anyscale_api_key
+    api_key=os.environ['anyscale_api_key']
 )
 
 # Define the embedding model and the vectorstore