def save_related(self, request, form, formsets, change):
        """
        Given the ``HttpRequest``, the parent ``ModelForm`` instance, the
        list of inline formsets and a boolean value based on whether the
        parent is being added or changed, save the related objects to the
        database. Note that at this point save_form() and save_model() have
        already been called.
        """
        form.save_m2m()
        for formset in formsets:
            self.save_formset(request, form, formset, change=change)