Method roundtrip

Lib/test/test_tokenize.py:2194–2197

(self, code)

    def roundtrip(self, code):
        if isinstance(code, str):
            code = code.encode('utf-8')
        return tokenize.untokenize(tokenize.tokenize(BytesIO(code).readline)).decode('utf-8')

    def test_indentation_semantics_retained(self):
        """