On Mon, 24 Feb 2020 18:34:41 -0700 tbird20d@xxxxxxxxx wrote: > With Ubuntu 16.04 (and presumably Debian distros of the same age), > the instructions for setting up a python virtual environment should > do so with the python 3 interpreter. On these older distros, the > default python (and virtualenv command) might be python2 based. > > Some of the packages that sphinx relies on are now only available > for python3. If you don't specify the python3 interpreter for > the virtualenv, you get errors when doing the pip installs for > various packages > > Fix this by adding '-p python3' to the virtualenv recommendation > line. > > Signed-off-by: Tim Bird <tim.bird@xxxxxxxx> I've applied this, even though it feels a bit fragile to me. But Python stuff can be a bit that way, sometimes, I guess. Thanks, jon