'Values have whitespace stripped but not if strip=False.'

def test_charfield_strip(self):

    f = CharField()
    self.assertEqual(f.clean('    1'), '1')
    self.assertEqual(f.clean('1    '), '1')
    f = CharField(strip=False)
    self.assertEqual(f.clean('    1'), '    1')
    self.assertEqual(f.clean('1    '), '1    ')
