[Letsencrypt-devel] Bug#858802: Bug#858802: AttributeError: 'module' object has no attribute 'DependencyError'

[Harlan Lieberman-Berg]

Patrick Lam <prof.lam at gmail.com> writes:
> I get a similar error on an upgraded stretch box:

That's perplexing.  I just ran an upgrade from jessie to stretch on a
clean box, installed certbot -- works fine.  I can't replicate this at
all.  What architecture are you running on?

> The output of the command is empty.

My guess is you're missing apt-rdepends.  Can you install it and rerun
the command please?

Thanks,
-- 
Harlan Lieberman-Berg
~hlieberman