Update app.py

app.py

@@ -9,6 +9,7 @@ password = os.getenv('password')
 
 # Set up OpenAI client
 openai_api_key = os.getenv('openai_api_key')
+openai.api_key = openai_api_key
 client = openai.Client(api_key=openai.api_key)
 
 # Set up assistant