bug#45051: Guix pull fails: `In procedure put-string: Wrong type argument in position 1 (expecting open output port): #`

[pkill9]

Hi Ludovic,

> Could it be that your substitute URL is <https://ci.guix.info>?
> 
> If so, could you try:
> 
>   guix build inkscape --substitute-urls=https://ci.guix.gnu.org

This works, thanks.