@classmethod
  def get_placholder_attribute(cls):
    if cls.PLACEHOLDER:
      return cgi.escape(cls.PLACEHOLDER) % 'placeholder="%s"'
    else:
      return ''
dataset/ETHPy150Open AppScale/appscale/AppServer/google/appengine/tools/devappserver2/admin/datastore_viewer.py/DataType.get_placholder_attribute/swapped operands of `%`