bug#49979: Duplicity BackendException: No module named 'paramiko'

[Cayetano Santos]

> mer. 11 août 2021 at 00:28, Leo Famulari ...

> On Tue, Aug 10, 2021 at 12:15:44PM +0200, Cayetano Santos wrote:
> > Context:
> >
> > Using guix as a package manager under a foreign up to date 
> > archlinux
> > distribution.
> >
> > The output of guix describe --format=channels is
> >
> >    
> > https://gitlab.com/csantosb/wikidata/-/blob/master/guix-profiles-backup/guix-channels.scm
> >
> >
> > Problem:
> >
> > When using duplicity to backup to a sftp server, I get this 
> > error message
> >
> >    BackendException: Could not initialize backend: No module 
> >    named
> > 'paramiko'
> >
> > I have installed python-paramiko, but this doesn't fixes the 
> > problem.
>
> I don't use Duplicity. Can you give instructions to reproduce 
> this?
>
> It's likely that paramiko needs to be added as a dependency of 
> the
> duplicity package, but we should test that first.

Sure. Just issue a

   guix install duplicity

and then

   duplicity /tmp sftp://dummy_user@sftp.server/dummy_backup

you’ll get a

BackendException: Could not initialize backend: No module named 
'paramiko'

message.