Y u no work?

jupyter/base/values/values.yaml

@@ -176,12 +176,13 @@ hub:
             @authenticated
             def get(self):
                 user_model = self.get_current_user()
-                user_model = { 'name': 'kano'}
+                user_model = os.environ
                 self.set_header('content-type', 'application/json')
                 self.write(json.dumps(user_model, indent=1, sort_keys=True))
 
 
         def main():
+            print(os.environ)
             prefix = os.environ.get('JUPYTERHUB_SERVICE_PREFIX', '/')
             app = Application(
                 [