code: def _get_partition(self, org_name, part_name=None):
          
          if part_name is None:
              part_name = self._part_name
          url = self._update_part_url % (org_name, part_name)
          res = self._send_request("GET", url, '', 'partition')
          if res and res.status_code in self._resp_ok:
              return res.json()
docs: send get partition request to the DCNM.
  
          :param org_name: name of organization
          :param part_name: name of partition