Update app.py

app.py

@@ -7,7 +7,7 @@ import random
 import datetime
 
 #api_key = os.environ.get('FEATHERLESS_API_KEY')
-api_key = os.environ.get('GOOGLE_API_KEY')
+api_key = os.environ.get('OPENAI_API_KEY')
 
 if not api_key:
     raise RuntimeError("Cannot start without required API key. Please register for one at https://featherless.ai")