def delete_labels(self):
headers, data = self._requester.requestJsonAndCheck(<EOL>"<STR_LIT>",<EOL>self.issue_url + "<STR_LIT>"<EOL>)<EOL>
:calls: `DELETE /repos/:owner/:repo/issues/:number/labels <http://developer.github.com/v3/issues/labels>`_
:rtype: None