def has_in_assignees(self, assignee):
assert isinstance(assignee, github.NamedUser.NamedUser) or isinstance(assignee, (str, unicode)), assignee<EOL>if isinstance(assignee, github.NamedUser.NamedUser):<EOL><INDENT>assignee = assignee._identity<EOL><DEDENT>status, headers, data = self._requester.requestJson(<EOL>"<STR_LIT:GET>",<EOL>self.url + "<STR_LIT>" + assignee<EOL>)<EOL>return status == <NUM_LIT><EOL>
:calls: `GET /repos/:owner/:repo/assignees/:assignee <http://developer.github.com/v3/issues/assignees>`_
:param assignee: string or :class:`github.NamedUser.NamedUser`
:rtype: bool