def get_tag(self, tag):
headers = {'<STR_LIT>': '<STR_LIT>'}<EOL>j, _ = self.datacenter.request('<STR_LIT:GET>', self.path + '<STR_LIT>' + tag)<EOL>return j<EOL>
::

    GET /:login/machines/:id/tags/:tag

:Returns: the value for a single tag
:rtype: :py:class:`basestring`