old_contents: from .commands import MenuCommand, VerifyCommand, HelpCommand, ExitCommand
  
  
  class Workshop(object):
  
      title = None
      languages = ['en']
      commands = [
          MenuCommand,
          VerifyCommand,
          HelpCommand,
          ExitCommand,
      ]
      default_command = MenuCommand.name
  
new_contents: from .commands import MenuCommand, VerifyCommand, HelpCommand, ExitCommand
  
  
  class Workshop(object):
  
      title = None
      languages = ['en']
      commands = [
          MenuCommand,
          VerifyCommand,
          HelpCommand,
          ExitCommand,
      ]
      default_command = MenuCommand.name
  
      def run(self):
          pass
  
subject: Add run command.