'DateTimeField.to_python() supports microseconds.'

def test_datetimefield_to_python_microseconds(self):

    f = models.DateTimeField()
    self.assertEqual(f.to_python('2001-01-02    03:04:05.000006'), datetime.datetime(2001, 1, 2, 3, 4, 5, 6))
    self.assertEqual(f.to_python('2001-01-02    03:04:05.999999'), datetime.datetime(2001, 1, 2, 3, 4, 5, 999999))
