'TimeField.to_python should support usecs'

def test_timefield_to_python_usecs(self):

    f = models.TimeField()
    self.assertEqual(f.to_python(u'01:02:03.000004'), datetime.time(1, 2, 3, 4))
    self.assertEqual(f.to_python(u'01:02:03.999999'), datetime.time(1, 2, 3, 999999))
