def test_readme_encoding(self):
        f = open(README, 'rb')
        try:
            f.read().decode('US-ASCII')
        finally:
            f.close()
Confirm the README.txt is pure ASCII.
dataset/ETHPy150Open awslabs/lambda-apigateway-twilio-tutorial/pytz/tests/test_docs.py/DocumentationTestCase.test_readme_encoding