Sometime (about 1 on 2) I get this:
[paul@localhost rpkg1]$ rpkg build pauld/7kaa
Wrote: /tmp/rpkg/7kaa-3-3s2ohmxc/7kaa.spec
setting SOURCE_DATE_EPOCH=1585440000
Écrit : /tmp/rpkg/7kaa-3-3s2ohmxc/7kaa-2.15.3-105.src.rpm
Uploading package /tmp/rpkg/7kaa-3-3s2ohmxc/7kaa-2.15.3-105.src.rpm
|################################| 46.9 MB 251.8 kB/s eta
0:00:00Request is not in JSON format, there is probably a bug in the
API code.
Failed to execute command.
[paul@localhost rpkg1]$
It seems to be quite random... could redo the same command without
changing anything and expect it to run fine this time.