qss.py

from queryset_sequence import QuerySetSequence

class MyQuerySetSequence(QuerySetSequence):
    INHERITED_ATTRS = [
        '_cloning',

        # Public methods that return QuerySets.
        'filter',
        'exclude',
        'order_by',
        'reverse',
        'none',
        'all',
        'select_related',

        # Public methods that don't return QuerySets.
        'get',
        'count',
        'as_manager',
        'exists',

        # Public introspection attributes.
        'ordered',
        'db',

        # Private methods.
        '_chain',
        '_clone',
        '_fetch_all',
        '_merge_sanity_check',
        '_prepare',
    ]

    NOT_IMPLEMENTED_ATTRS = [
        # Public methods that return QuerySets.
        'annotate',
        'distinct',
        'values',
        'values_list',
        'dates',
        'datetimes',
        'extra',
        'defer',
        'only',
        'using',
        'select_for_update',
        'raw',
        # Public methods that don't return QuerySets.
        'latest',
        'earliest',
        'first',
        'last',
        'aggregate',

        # Public methods that don't return QuerySets. These don't make sense in
        # the context of a QuerySetSequence.
        'create',
        'get_or_create',
        'update_or_create',
        'bulk_create',
        'in_bulk',
        'update',
    ]
    
q = MyQuerySetSequence(Model1.objects.all(), Model2.objects.all())
print(q.all())