'Get the label specified by ``name``.
:param str name: (required), name of the label
:returns: :class:`Label <github3.issues.label.Label>` if successful,
else None'

def label(self, name):

    json = None
    if name:
        url = self._build_url(u'labels', name, base_url=self._api)
        json = self._json(self._get(url), 200)
    return self._instance_or_null(Label, json)
