bug#59089: 29.0.50; package-vc-install-from-checkout stringp error

[Philip Kaludercic]

Feng Shu <tumashu@163.com> writes:

> When I install cnfonts with package-vc-install-from-checkout, 
> the below error showed, toggle-debug-on-error can not let more info showed.
>
> Contacting host: elpa.gnu.org:443 [2 times]
> Contacting host: elpa.nongnu.org:443
>   INFO     Scraping files for loaddefs...done
> package-vc--main-file: Wrong type argument: stringp, cnfonts

I cannot deduce what has been the issue here, can you check if this is
still the case?