Update app.py

app.py

@@ -4,9 +4,9 @@ import inspect
 from gradio import routes
 from typing import List, Type
 from google_trans_new import google_translator  
-import requests
+import requests, os
 
-gradio_client = GrClient(os.environ['GrClient_url'])
+gradio_client = GrClient(os.environ.get('GrClient_url'))
 translator = google_translator()  
 # Monkey patch
 def get_types(cls_set: List[Type], component: str):