On 04/07/2017 16:48, Jonathan Sutton wrote:
One possibility is that I had installed a locally compiled version of avogadro as the version in jessie was too old for my needs. I tried to purge it, but it's possible there are some residual libraries, and/or something is misconfigured. Do you have any ideas for where to look?
For starters, let's see what you have installed (or not). apt-cache policy avogadro avogadro-data libavogadro1 python-avogadro

