Comment 5 for bug 1736164

I have same error with Fedora 26 with

duplicity 0.7.13.1
deja-dup 35.5

I've find a solution that work for me in this page

https://bugs.launchpad.net/duplicity/+bug/1386373

He say: "This error can be easily fixed by replacing body of the uexc function in the utils module with the following statement:
return ufn(unicode(e).encode('utf-8'))"