code: def head(self, wg_uuid, uuid):
          
          url = "%(base)s/%(wg_uuid)s/nodes/%(uuid)s" % {
              'base': self.local_base_url,
              'wg_uuid': wg_uuid,
              'uuid': uuid
          }
          # return self.core.head(url)
          try:
              # workaround
              return self.core.get(url)
          except LinShareException:
              return False
docs: Get one workgroup node.