code: def get_storage_info(self, human=False):
          
          res = self._req_get_storage_info()
          if human:
              res['total'] = humanize.naturalsize(res['total'], binary=True)
              res['used'] = humanize.naturalsize(res['used'], binary=True)
          return res
docs: Get storage info
  
          :param bool human: whether return human-readable size
          :return: total and used storage
          :rtype: dict