let g:ale_pattern_options = {'\.py$': {'ale_enabled': 1}}
let g:ale_linters = {'python': ['pycodestyle'] }
let g:ale_fixers =
    \ {
    \   'python': ['black', 'isort', 'remove_trailing_lines', 'trim_whitespace'],
    \   'bash': ['remove_trailing_lines', 'trim_whitespace']
    \ }