def remove_from_subscriptions(self, subscription):
assert isinstance(subscription, github.Repository.Repository), subscription<EOL>headers, data = self._requester.requestJsonAndCheck(<EOL>"<STR_LIT>",<EOL>"<STR_LIT>" + subscription._identity<EOL>)<EOL>
:calls: `DELETE /user/subscriptions/:owner/:repo <http://developer.github.com/v3/activity/watching>`_
:param subscription: :class:`github.Repository.Repository`
:rtype: None