```ruby
module Nehm
  module PlaylistManager
    def self.playlist
      @temp_playlist || default_user_playlist || music_master_library unless OS.linux?
    end

    def self.set_playlist
      loop do
        playlist = HighLine.new.ask('Enter name of default iTunes playlist to which you want add tracks (press Enter to set it to default iTunes Music library)')

        # If entered nothing, unset iTunes playlist
        if playlist == ''
          Cfg[:playlist] = nil
          puts 'Default iTunes playlist unset'.green
          break
        end

        if AppleScript.list_of_playlists.include? playlist
          Cfg[:playlist] = playlist
          puts "#{'Default iTunes playlist set up to'.green} #{playlist.magenta}"
          break
        else
          puts 'Invalid playlist name. Please enter correct name'.red
          puts "\n"
        end
      end
    end

    def self.temp_playlist=(playlist)
      if AppleScript.list_of_playlists.include? playlist
        @temp_playlist = Playlist.new(playlist)
      else
        puts 'Invalid playlist name. Please enter correct name'.red
        exit
      end
    end

    module_function

    def default_user_playlist
      Playlist.new(Cfg[:playlist]) unless Cfg[:playlist].nil?
    end

    def music_master_library
      Playlist.new(AppleScript.music_master_library)
    end
  end
end
```

Add colon for ask in Playlist.set_playlist
user
```ruby
module Nehm
  module PlaylistManager
    def self.playlist
      @temp_playlist || default_user_playlist || music_master_library unless OS.linux?
    end

    def self.set_playlist
      loop do
        playlist = HighLine.new.ask('Enter name of default iTunes playlist to which you want add tracks (press Enter to set it to default iTunes Music library):')

        # If entered nothing, unset iTunes playlist
        if playlist == ''
          Cfg[:playlist] = nil
          puts 'Default iTunes playlist unset'.green
          break
        end

        if AppleScript.list_of_playlists.include? playlist
          Cfg[:playlist] = playlist
          puts "#{'Default iTunes playlist set up to'.green} #{playlist.magenta}"
          break
        else
          puts 'Invalid playlist name. Please enter correct name'.red
          puts "\n"
        end
      end
    end

    def self.temp_playlist=(playlist)
      if AppleScript.list_of_playlists.include? playlist
        @temp_playlist = Playlist.new(playlist)
      else
        puts 'Invalid playlist name. Please enter correct name'.red
        exit
      end
    end

    module_function

    def default_user_playlist
      Playlist.new(Cfg[:playlist]) unless Cfg[:playlist].nil?
    end

    def music_master_library
      Playlist.new(AppleScript.music_master_library)
    end
  end
end
```
assistant