def pack(self, message_type, client_id, client_storage, args, kwargs):
        return pickle.dumps(
            (message_type, client_id, client_storage, args, kwargs), protocol=2)
Hook for specifying fieldsets for the add form.
dataset/ETHPy150Open florianpaquet/mease/mease/backends/base.py/BasePublisher.pack--crossover with--dataset/ETHPy150Open zbyte64/django-dockit/dockit/admin/views.py/FragmentViewMixin.get_fieldsets