'Add ``username`` to this team.
:param str username: the username of the user you would like to add to
the team.
:returns: bool'

@requires_auth
def add_member(self, username):

    warnings.warn(u'This    is    no    longer    supported    by    the    GitHub    API,    see    https://developer.github.com/changes/2014-09-23-one-more-week-before-the-add-team-member-api-breaking-change/', DeprecationWarning)
    url = self._build_url(u'members', username, base_url=self._api)
    return self._boolean(self._put(url), 204, 404)
