@classmethod
  @gen.coroutine
  def MuteAlerts(cls, client, user_id):
    @gen.coroutine
    def _VisitDevice(device):
      device.alert_user_id = None
      yield gen.Task(device.Update, client)

    yield gen.Task(Device.VisitRange, client, user_id, None, None, _VisitDevice)
Test posting a new entry with an extended property, deleting it
dataset/ETHPy150Open viewfinderco/viewfinder/backend/db/device.py/Device.MuteAlerts--crossover with--dataset/ETHPy150Open kuri65536/python-for-android/python-build/python-libs/gdata/tests/gdata_tests/calendar/service_test.py/CalendarServiceUnitTest.testPostAndDeleteExtendedPropertyEvent