@args_from_config
def upgrade(model_persister, from_version=None, to_version=None):
    kwargs = {'from_version': from_version}
    if to_version in None:
        kwargs['to_version'] = to_version
    model_persister.upgrade(**kwargs)
dataset/ETHPy150Open ottogroup/palladium/palladium/util.py/upgrade/operator `is not` -> `in`