vim-settings/vim/ftdetect/python.vim

if has('nvim')
    au VimEnter,BufRead,BufNewFile *.py
        \ if executable('ipython') |
        \   call neoterm#repl#set('ipython') |
        \ endif |
        \ if executable('pytest') |
        \   call neoterm#test#libs#add('pytest') |
        \ endif
    command! Tox :T tox<CR>
endif

let g:neomake_python_pytest_maker = {
    \ 'exe': 'py.test',
    \ 'errorformat': &errorformat,
    \ }

let g:neomake_python_tox_maker = {
    \ 'exe': 'tox',
    \ 'errorformat': &errorformat,
    \ }