Bug#973128: celery-batches: FTBFS: dh_auto_test: error: pybuild --test -i python{version} -p "3.9 3.8" returned exit code 13

[s3v]

Dear Maintainer,

celery-batches supports Celery 5.0 now [1].
FWIW, packaging new upstream version fixes
this issue.

Kind Regards

[1] https://github.com/clokep/celery-batches/commit/5e3b9d