async def test_annotate_expression_filter(self):
    count = (await IntFields.annotate(intnum=(F('intnum') + 1)).filter(intnum__gt=30).count())
    self.assertEqual(count, 23)
async def test_annotate_expression_filter(self):
    count = (await IntFields.annotate(intnum=(F('intnum') + 1)).filter(intnum__gt=30).count())
    self.assertEqual(count, 23)