Update app.py

app.py

@@ -5,7 +5,7 @@ import os
 import sys
 import json
 
-api_key = os.getenv('API_KEY')
+OPEN_API_KEY = OPEN_API_KEY_input
 
 def exception_handler(exception_type, exception, traceback):
     print(f"{exception_type.__name__}: {exception}")