Merge pull request #50 from shingo78/fix/cannot-spawn-for-new-users

Fix cannot spawn a server for new users

Author: shingo78

jupyterhub/spawner/coursewareuserspawner/__init__.py

@@ -441,6 +441,8 @@ def load_state(self, state):
         super().load_state(state)
         if 'user_id' in state:
             self.user_id = state['user_id']
+        else:
+            self.user_id = self.get_user_id(self)
 
     def get_state(self):
         state = super().get_state()