Upgrade to Vim8
Thanks to this guide
[https://gist.github.com/oPauloChaves/440a8725e3fa52f008ee7e707c9e43ec]:
For Ubuntu:
sudo apt-get remove --purge vim vim-runtime vim-gnome vim-tiny vim-gui-common
sudo apt-get install liblua5.1-dev luajit libluajit-5.1 python-dev