preliminary usable features

backend-python/utils/ngrok.py

@@ -3,6 +3,7 @@ import os
 
 def ngrok_connect():
     from pyngrok import ngrok, conf
+
     conf.set_default(conf.PyngrokConfig(ngrok_path="./ngrok"))
     ngrok.set_auth_token(os.environ["ngrok_token"])
     http_tunnel = ngrok.connect(8000)