code: def pool_versions(self, updater_id=None, updater_name=None, pool_id=None):
          
          params = {
              'search[updater_id]': updater_id,
              'search[updater_name]': updater_name,
              'search[pool_id]': pool_id
              }
          return self._get('pool_versions.json', params)
docs: Get list of pool versions.
  
          Parameters:
              updater_id (int):
              updater_name (str):
              pool_id (int):