To use this configuration correctly, you need to install this cli programms git or depending on your python version python3.6-dev or depending on your python version vim 8.1 min version
$ sudo apt install -y git
or
# yum install python3.6-dev
For Python3.6 installed version
$ sudo apt install -y python3.6-dev
or
# yum install python3.6-dev
sudo add-apt-repository ppa:jonathonf/vim
sudo apt update
sudo apt install vim
source here
Make sure you change you shell default font to powerline fonts. Get all of powerline fonts here or to nerd fonts. Get all of nerd fonts here
git clone https://github.com/Nickael/vim.dotfiles.git && cd vim.dotfiles && ./install.sh && cd - && rm -fr vim.dotf*