if executable("pyls")
    " pip install 'python-language-server[all]'
    au User lsp_setup call lsp#register_server({
    \    "name": "pyls",
    \    "cmd": {server_info->["pyls"]},
    \    "allowlist": ["python"],
    \    "workspace_config": {"pyls": {
    \        "configurationSources": ["flake8"],
    \    }},
    \})
endif