code: def meta_wrapped(f):
      
      @wraps(f)
      def wrapped(self, field, *args, **kwargs):
          html = "{label}{errors}{original}<small>{description}</small>".format(
              label=field.label(class_='control-label'),
              original=f(self, field, *args, **kwargs),
              errors=render_field_errors(field) or '',
              description=render_field_description(field)
          )
          return HTMLString(html)
      return wrapped
docs: Add a field label, errors, and a description (if it exists) to 
      a field.