On 03/10/2018 14:52, Dhavan Vaidya wrote: > Removing cryptography solved it for me. I know this will break many of my > projects, but now I know what to do. you may consider to use gajim from https://backports.debian.org. more recent version and based on python3. another option for your projects is virtualenv, which gives each project a separate python environment. best regards Ulf