def test_event_without_notes(self):
        e = Event(start=self.event_start,
                  end=self.event_end,
                  slug='no_notes',
                  host=self.test_host,
                  admin_fee=100)

        # test for field's default value (the field is not NULL)
        self.assertEqual(e.notes, "")  # therefore the field is not NULL
Make sure event without notes don't have NULLed field ``notes``
dataset/ETHPy150Open swcarpentry/amy/workshops/test/test_event.py/TestEventNotes.test_event_without_notes