It appears I am unable to install lutris 
. I am installing with the latest version:
sudo add-apt-repository ppa:lutris-team/lutris
No LSB modules are available.
Distributor ID: LinuxMint
Description: Linux Mint 19.1 Tessa
Release: 19.1
Codename: tessa
Output:
hutber@hutber:~$ sudo aptitude install lutris
The following NEW packages will be installed:
fluid-soundfont-gs{a} lutris python3-evdev{ab}
The following packages are RECOMMENDED but will NOT be installed:
fluid-soundfont-gm lib32gcc1 libc6-i386
0 packages upgraded, 3 newly installed, 0 to remove and 0 not upgraded.
Need to get 4,365 kB of archives. After unpacking 8,023 kB will be used.
The following packages have unmet dependencies:
python3-evdev : Depends: python3 (< 3.6) but 3.6.7-1~18.04 is installed
The following actions will resolve these dependencies:
Keep the following packages at their current version:
1) lutris [Not Installed]
2) python3-evdev [Not Installed]
Any help would be appreciated.