On Tue, Oct 17, 2017 at 11:12:04AM +0000, GNU bug Tracking System wrote:
> Your bug report
> 
> #28756: Substitute download progress bar doesn't reach 100%
> 
> which was filed against the guix package, has been closed.
> 
> The explanation is attached below, along with your original report.
> If you require more details, please reply to 28756@debbugs.gnu.org.

I noticed today that the progress bar does reach 100%, but then resets
to 0% after the download is complete. For example:

 python-2.7.13  15.0MiB                               0B/s 00:09 [                    ]   0.0%