Ensure that strategy methods return a None value instead of an null (empty) value or container. None values are interpreted in the final graph cleaning step of main.convert as properties with no meaningful information, which should be removed from the resulting SOSO graph before being returned to the user.
Ensure that strategy methods return a None value instead of an null (empty) value or container. None values are interpreted in the final graph cleaning step of main.convert as properties with no meaningful information, which should be removed from the resulting SOSO graph before being returned to the user.