coderanger

class MyInline(admin.TabularInline):
    model = MyModel
    extra = 0
    template = 'admin/edit_inline/list.html'

    def get_formset(self, request, obj=None, **kwargs):
        FormSet = super(ActivationKeyInline, self).get_formset(request, obj, **kwargs)
        class NewFormSet(FormSet):
            def _construct_forms(self, *args, **kwargs):
                qs = self.get_queryset()