diff --git a/tangostationcontrol/tangostationcontrol/devices/observation_field.py b/tangostationcontrol/tangostationcontrol/devices/observation_field.py index 5a1452033dce20fdefcb7a8f2a9b6d183d9598e3..c0ef919ebbea7f8c9f9d686cf5e2f22dba86c0dc 100644 --- a/tangostationcontrol/tangostationcontrol/devices/observation_field.py +++ b/tangostationcontrol/tangostationcontrol/devices/observation_field.py @@ -220,9 +220,9 @@ class ObservationField(LOFARDevice): def HBA_tile_beam_R(self): try: if self._observation_field_settings.HBA.tile_beam is None: - return None + return [] except AttributeError: - return None + return [] pointing_direction = self._observation_field_settings.HBA.tile_beam return [