playonlinux-bash not put into $PATH

After installing playonlinux on Ubuntu 16.04, the `playonlinux-bash` isn't available in the $PATH / `which playonlinux-bash` doesn't find anything.

Further executables are:

/usr/share/playonlinux/playonlinux
/usr/share/playonlinux/playonlinux-bash
/usr/share/playonlinux/playonlinux-pkg
/usr/share/playonlinux/playonlinux-shell

`playonlinux-shell` isn't added either

$ lsb_release -rd
Description: Ubuntu 16.04.3 LTS
Release: 16.04

$ apt-cache policy playonlinux
playonlinux:
  Installé : 4.2.10-2ubuntu0.1
  Candidat : 4.2.10-2ubuntu0.1
 Table de version :
 *** 4.2.10-2ubuntu0.1 500
        500 http://archive.ubuntu.com/ubuntu xenial-updates/multiverse amd64 Packages
        500 http://archive.ubuntu.com/ubuntu xenial-updates/multiverse i386 Packages
        100 /var/lib/dpkg/status
     4.2.10-2 500
        500 http://archive.ubuntu.com/ubuntu xenial/multiverse amd64 Packages
        500 http://archive.ubuntu.com/ubuntu xenial/multiverse i386 Packages