def delete(self):
if not self.object_id:<EOL><INDENT>return False<EOL><DEDENT>url = self.build_url(self._endpoints.get('<STR_LIT>').format(<EOL>driveitem_id=self.driveitem_id, id=self.object_id))<EOL>response = self.con.delete(url)<EOL>if not response:<EOL><INDENT>return False<EOL><DEDENT>self.object_id = None<EOL>return True<EOL>
Deletes this permission. Only permissions that are not
        inherited can be deleted.

        :return: Success / Failure
        :rtype: bool