def save(self):
        tmp_path = self.path + '.tmp'
        with open(tmp_path, 'w') as f:
            f.write(json.dumps(self.body_labels.items()))
        os.rename(tmp_path, self.path)
def test_regex_bad_pattern():
    """Regex error raised immediately when regex input parser is created."""
    assert_raises(re.error, inputs.regex, '[')