def _FinalElement(key):
  return key.path().element_list()[-1]
Opens the LUKS partition on the volume using the specified
dataset/ETHPy150Open AppScale/appscale/AppServer/google/appengine/api/datastore_file_stub.py/_FinalElement--crossover with--dataset/ETHPy150Open BU-NU-CLOUD-SP16/Trusted-Platform-Module-nova/nova/volume/encryptors/luks.py/LuksEncryptor._open_volume