def initial_form_count(self):
        if self.is_bound:
            return 0
        return super(BaseStepFormSet, self).initial_form_count()
Test related to #13085
dataset/ETHPy150Open mozilla/moztrap/moztrap/view/manage/cases/forms.py/BaseStepFormSet.initial_form_count--crossover with--dataset/ETHPy150Open lionheart/django-pyodbc/tests/django16/generic_relations_regress/tests.py/GenericRelationTests.test_gfk_to_model_with_empty_pk