def get_db_prep_lookup(self, lookup_type, value, connection=None, prepared=None):
        ## convert to settings.TIME_ZONE
        if value.tzinfo is None:
            value = default_tz.localize(value)
        else:
            value = value.astimezone(default_tz)
        return super(LocalizedDateTimeField, self).get_db_prep_lookup(lookup_type, value, connection=connection, prepared=prepared)
Stack arrays along a new axis
dataset/ETHPy150Open brosner/django-timezones/timezones/fields.py/LocalizedDateTimeField.get_db_prep_lookup--crossover with--dataset/ETHPy150Open dask/dask/dask/array/core.py/stack