def run():
    pks = Persona.objects.filter(checksum='').values_list('id', flat=True)
    for chunk in chunked(pks, 1000):
        [calc_checksum.delay(pk) for pk in chunk]
Calculate checksums for all themes.
dataset/ETHPy150Open mozilla/addons-server/src/olympia/migrations/596-theme-checksums.py/run