Spotify connector authorization issue

[dgvisnadi]

Which connector were you using?
https://github.com/googledatastudio/community-connectors/tree/master/spotify

What's going wrong with this connector?
I followed the instructions and when authorizing the connector in data studio I get an error message:

Community Connector Error
There was an error caused by the community connector. Please report the issue to the provider of this community connector if this issue persists.

Connector details
There was an error caused by this connector.