Python 3.6 draaien op debian stretch amd64
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

https://github.com/chriskuehl/python3.6-debian-stretch

For example, a typical installation could look like this:

$ wget https://github.com/chriskuehl/python3.6-debian-stretch/releases/download/v3.6.3-1-deb9u1/{python3.6_3.6.3-1.deb9u1_amd64,python3.6-minimal_3.6.3-1.deb9u1_amd64,python3.6-dev_3.6.3-1.deb9u1_amd64,libpython3.6_3.6.3-1.deb9u1_amd64,libpython3.6-minimal_3.6.3-1.deb9u1_amd64,libpython3.6-stdlib_3.6.3-1.deb9u1_amd64,libpython3.6-dev_3.6.3-1.deb9u1_amd64}.deb
$ sudo dpkg -i *.deb

And python3.6-venv_3.6.3-1.deb9u1_amd64.deb

Using:
~~~~~~

virtualenv -p /usr/bin/python36 env

cd env

source bin/activate