function! s:Vim(pattern)
    let ignorecase_bak=&ignorecase
    set noignorecase
    execute "vimgrep /" . a:pattern . "/ **/*"
    copen
    let &ignorecase=ignorecase_bak
    let g:pylint_disable=1
endfunction

command! -nargs=* -complete=file Vim call s:Vim(<q-args>)