::
        
            GET /:login/machines/:id/tags/:tag
        
        :Returns: the value for a single tag
        :rtype: :py:class:`basestring`

def get_tag(self, tag):
        """
        ::
        
            GET /:login/machines/:id/tags/:tag
        
        :Returns: the value for a single tag
        :rtype: :py:class:`basestring`
        """
        headers = {'Accept': 'text/plain'}
        j, _ = self.datacenter.request('GET', self.path + '/tags/' + tag)
        return j