I'm using ale in vim, and I want to add ruff as fixer for python. So, in .vimrc, I added: let g:ale_fixers = { \ 'python': ['ruff'], \ 'javascript': ['eslint'], \ 'typescript': ['eslint', 'tsserver', 'typecheck'], \} Then, when executing in vim the command ALEFix, I've go this error: 117: Unknown function: ale#fixers#ruff#Fix Do you know how to integrate ruff as fixer in vim with ALE ? Continue reading...