You are missing a credentials.json file. This is not the code's fault but your own. Read the document you linked: https://developers.google.com/docs/api/quicks

You are missing a credentials.json file. This is not the code's fault but your own. Read the document you linked: https://developers.google.com/docs/api/quickstart/python https://developers.google.com/docs/api/quickstart/python Read directly above and below the giant blue "ENABLE THE GOOGLE DOCS API" button.