Drop pylint.vim in ~/.vim/compiler directory. Ensure that your PATH environment variable includes the path to 'pylint' executable.
" Above is realized with :Pylint command. To disable calling Pylint every
" time a buffer is saved put into .vimrc file
" let g:pylint_onwrite = 0
" Displaying code rate calculated by Pylint can be avoided by setting
" let g:pylint_show_rate = 0
" Openning of QuickFix window can be disabled with
" let g:pylint_cwindow = 0
" Of course, standard :make command can be used as in case of every
" other compiler.
pylint.vim - compiler plugin for python style checking tool : vim online