Python 3 virtualenvs

[D.M. Procida]

Jon Ribbens <jon+usenet at unequivocal.co.uk> wrote:

> On 2015-11-28, D.M. Procida <real-not-anti-spam-address at apple-juice.co.uk>
wrote:
> > I have a new installation of Debian Jessie, with Python 2.7 and 3.4
> > installed.
> >
> > I want to use Python 3.4 by default for most things, so I want
> > virtualenv to create Python 3.4 virtualenvs unless I ask it to
> > otherwise.
> >
> > It turns out that this seems to be inordinately complex.
> 
> sudo apt-get remove python-virtualenv
> sudo apt-get install python3-virtualenv

Yup, I did try installing python3-virtualenv, but it didn't appear
actually do do anything. It didn't provide me with a virtualenv command,
that's for sure.

And pages such as https://packages.debian.org/jessie/python3-virtualenv
are not exactly informative.

Is something else required?

Daniele