Mopidy-Spotify can't connect via client token since password reset

[#1]

This morning I got Spotify working via Mopidy on my Raspberry Pi so I could stream music to my hi-fi. I'd had a lot of trouble getting this done due to various changes, updates, etc.

But an hour or two later, Spotify reset my password. It's the second time they've done this while I've been working with Mopidy, which I think is because of mix-ups with the older versions using password login which is no longer supported.

After resetting my password I've tried multiple times to regenerate auth tokens for Mopidy, but it won't work and the Bad credentials error appears in the log.

I have no idea what Spotify thinks has changed before or after the reset. Or are they just blocking Mopidy?