How to use the habanero.habanero_utils.filter_dict function in habanero

def do_request(self):
    filt = filter_handler(self.filter)
    if self.select.__class__ is list:
      self.select = ','.join(self.select)

    if not isinstance(self.cursor_max, (type(None), int)):
      raise ValueError("cursor_max must be of class int")

    payload = {'query':self.query, 'filter':filt, 'offset':self.offset,
               'rows':self.limit, 'sample':self.sample, 'sort':self.sort,
               'order':self.order, 'facet':self.facet, 'select':self.select,
               'cursor':self.cursor}
    payload = dict((k, v) for k, v in payload.items() if v)
    # add query filters
    payload.update(filter_dict(self.kwargs))
    # rename query filters
    payload = rename_query_filters(payload)

    js = self._req(payload = payload)
    cu = js['message'].get('next-cursor')
    max_avail = js['message']['total-results']
    res = self._redo_req(js, payload, cu, max_avail)
    return res

if cursor_max.__class__.__name__ != 'NoneType':
    if cursor_max.__class__ != int:
      raise ValueError("cursor_max must be of class int")

  filt = filter_handler(filter)
  if select.__class__ is list:
    select = ','.join(select)

  payload = {'query':query, 'filter':filt, 'offset':offset,
             'rows':limit, 'sample':sample, 'sort':sort,
             'order':order, 'facet':facet, 'select':select,
             'cursor':cursor}
  payload = dict((k, v) for k, v in payload.items() if v)
  # add query filters
  payload.update(filter_dict(kwargs))
  # rename query filters
  payload = rename_query_filters(payload)

  if(ids.__class__.__name__ == 'NoneType'):
    url = url.strip("/")
    try:
      r = requests.get(url, params = payload, headers = make_ua(mailto, ua_string))
      r.raise_for_status()
    except requests.exceptions.HTTPError:
      if is_json(r):
        raise RequestError(r.status_code, parse_json_err(r))
      else:
        r.raise_for_status()
    except requests.exceptions.RequestException as e:
      raise e
    check_json(r)