def does_not_contain(path, data):
  return not contains(path, data)
Verify that a canceller is given the correct deferred argument.
dataset/ETHPy150Open NumentaCorp/agamotto/agamotto/file.py/does_not_contain--crossover with--dataset/ETHPy150Open kuri65536/python-for-android/python-modules/twisted/twisted/test/test_defer.py/DeferredCancellerTest.test_cancellerArg