def has_in_subscriptions(self, subscription):
assert isinstance(subscription, github.Repository.Repository), subscription<EOL>status, headers, data = self._requester.requestJson(<EOL>"<STR_LIT:GET>",<EOL>"<STR_LIT>" + subscription._identity<EOL>)<EOL>return status == <NUM_LIT><EOL>
:calls: `GET /user/subscriptions/:owner/:repo <http://developer.github.com/v3/activity/watching>`_
:param subscription: :class:`github.Repository.Repository`
:rtype: bool