Subscription.save() fails on missed disabled_days

[litleleprikon]

System info

Python version:

3.7.5 (default, Nov  1 2019, 02:16:23)

Summary:

When call Subscription.save() method exception raises:

AttributeError                            Traceback (most recent call last)
 in 
----> 1 transfer(user, recipient_user)

 in transfer(moira_old_user, moira_new_user)
      8 
      9     for sub in subscriptions:
---> 10         moira_new_user.subscription.create(sub.tags, [old_to_new_contacts[c] for c in sub.contacts], sub.enabled, sub.throttling, sub.sched, sub.ignore_warnings, sub.ignore_recoverings, sub.plotting).save()
     11 
     12     for sub in subscriptions:

~/Library/Python/3.7/lib/python/site-packages/moira_client/models/subscription.py in save(self)
    164         if self._id:
    165             return self.update()
--> 166         self._send_request()
    167 
    168     def update(self):

~/Library/Python/3.7/lib/python/site-packages/moira_client/models/subscription.py in _send_request(self, subscription_id)
     79         for day in DAYS_OF_WEEK:
     80             day_info = {
---> 81                 'enabled': True if day not in self.disabled_days else False,
     82                 'name': day
     83             }

AttributeError: 'Subscription' object has no attribute 'disabled_days'