anchor.diff:  
       "nnoremap <C-U> <esc>:UndotreeToggle<CR>
   
  -    imap <C-b> <esc>mzgg=G`zi
  -    nmap <C-b> mzgg=G`z
  +    function! PyBeautify()
  +      :silent exec "!${pkgs.python3Packages.black}/bin/black --line-length=79 '%:p'"
  +    endfunction
   
       autocmd FileType javascript nmap <buffer> <C-b> :call JsBeautify()<cr>
  -    autocmd FileType javascript imap <buffer> <C-b> <esc>:call JsBeautify()<cr>i
  +    autocmd FileType python nnoremap <buffer> <C-b> :call PyBeautify()<cr>
   
       nmap <PageUp> 10<up>
       nmap <PageDown> 10<down>
  
positive.code:   cmd = {"${python-lsp-server}/bin/pylsp"};
    filetypes = { 'python' };
    settings = {
    };
  }
  -- if not nvim_lsp["python_language_server"] then
  --   nvim_lsp_configs.python_language_server = {
  --     default_config = {
  
negative.code:   };
  }
  
  vim.lsp.handlers["textDocument/publishDiagnostics"] = vim.lsp.with(
    vim.lsp.diagnostic.on_publish_diagnostics, {
      underline = true,
      virtual_text = true,
      signs = true,
      update_in_insert = true
    }
  )
  
  EOF
      " nnoremap <silent> gh :Lspsaga lsp_finder<CR>
      " nnoremap <silent> ca :Lspsaga code_action<CR>
  