anchor.diff:        };
   
         statusCommand = mkOption {
  -        type = types.string;
  +        type = types.str;
           default = "${pkgs.i3status}/bin/i3status";
           description = "Command that will be used to get status lines.";
         };
  
positive.code:         type = types.submodule {
            options = {
              background = mkOption {
                type = types.string;
                default = "#ffffff";
                description = ''
                  Background color of the window. Only applications which do not cover
  
negative.code:         type = types.submodule {
            options = {
              background = mkOption {
                type = types.str;
                default = "#000000";
                description = "Background color of the bar.";
              };
  
              statusline = mkOption {
                type = types.str;
                default = "#ffffff";
                description = "Text color to be used for the statusline.";
              };
  
              separator = mkOption {
                type = types.str;
                default = "#666666";
                description = "Text color to be used for the separator.";
              };
  