Yahoo! with Oauth2 fails

I have a similar issue as discussed
here and here
so apologies for duplicating, but the patch that is proposed is not working for me.

I know my Yahoo credentials are correct b/c I have used them successfully with other tools.

I believe I have updated the “options” parameter correctly:

With both “Try” button in the dashboard and the sample code in the quickstart guide, I still get this error message:

Some additional direction would be very helpful!