GitHub error #162

I just received error alert for this. I haven't have time to investigate. Not sure if error is on our side or GitHub.

Apr 05 18:55:28 bedevere app/web.1: Traceback (most recent call last):
Apr 05 18:55:28 bedevere app/web.1: File "/app/bedevere/main.py", line 38, in main
Apr 05 18:55:28 bedevere app/web.1: await router.dispatch(event, gh)
Apr 05 18:55:28 bedevere app/web.1: File "/app/.heroku/python/lib/python3.7/site-packages/gidgethub/routing.py", line 80, in dispatch
Apr 05 18:55:28 bedevere app/web.1: await callback(event, *args, **kwargs)
Apr 05 18:55:28 bedevere app/web.1: File "/app/bedevere/bpo.py", line 51, in set_status
Apr 05 18:55:28 bedevere app/web.1: await gh.patch(event.data["pull_request"]["url"], data=body_data)
Apr 05 18:55:28 bedevere app/web.1: File "/app/.heroku/python/lib/python3.7/site-packages/gidgethub/abc.py", line 137, in patch
Apr 05 18:55:28 bedevere app/web.1: jwt=jwt, oauth_token=oauth_token)
Apr 05 18:55:28 bedevere app/web.1: File "/app/.heroku/python/lib/python3.7/site-packages/gidgethub/abc.py", line 82, in _make_request
Apr 05 18:55:28 bedevere app/web.1: data, self.rate_limit, more = sansio.decipher_response(*response)
Apr 05 18:55:28 bedevere app/web.1: File "/app/.heroku/python/lib/python3.7/site-packages/gidgethub/sansio.py", line 315, in decipher_response
Apr 05 18:55:28 bedevere app/web.1: raise InvalidField(errors, message)
Apr 05 18:55:28 bedevere app/web.1: gidgethub.InvalidField: Validation Failed for 'maintainer_can_modify'