code: def error_view(template_dir=None):
      
      if not template_dir:
          template_dir = "Pylot/Error"
  
      template_page = "%s/index.html" % template_dir
  
      class Error(Pylot):
          """
          Error Views
          """
          @classmethod
          def register(cls, app, **kwargs):
              super(cls, cls).register(app, **kwargs)
  
              @app.errorhandler(400)
              def error_400(error):
                  return cls.index(error, 400)
  
              @app.errorhandler(401)
              def error_401(error):
                  return cls.index(error, 401)
  
              @app.errorhandler(403)
              def error_403(error):
                  return cls.index(error, 403)
  
              @app.errorhandler(404)
              def error_404(error):
                  return cls.index(error, 404)
  
              @app.errorhandler(500)
              def error_500(error):
                  return cls.index(error, 500)
  
              @app.errorhandler(503)
              def error_503(error):
                  return cls.index(error, 503)
  
          @classmethod
          def index(cls, error, code):
              cls.meta_(title="Error %s" % code)
  
              return cls.render(error=error, view_template=template_page), code
      return Error
docs: Create the Error view
      Must be instantiated
  
      import error_view
      ErrorView = error_view()
  
      :param template_dir: The directory containing the view pages
      :return: