Google Calendar API stops Django from starting

Question

I have a Django (1.9.1) project that was working just fine until I added the code provided by Google Calendar API documentation to one of my apps.

This code also works f

Answer 1

This error is caused because Django is not able to complete the authentication process required by the API.

For me, the error was in token.json file. Clearing it and write a script to call the API again corrected the flow procedure and hence the server resumed.