code: def _get_sensor(self):
          
          # sometimes Himawari-8 (or 9) data is stored in SCMI format
          is_h8 = 'H8' in self.platform_name
          is_h9 = 'H9' in self.platform_name
          is_ahi = is_h8 or is_h9
          return 'ahi' if is_ahi else 'abi'
docs: Determine the sensor for this file.