def timestamp(self, name="<block>"):
        # Make a fake function
        func = lambda x: x
        func.__module__ = ""
        func.__name__ = name
        self.add_function(func)
        timestamps = []
        self.functions[func].append(timestamps)
        # A new object is required each time, since there can be several
        # nested context managers.
        return _TimeStamperCM(timestamps)
Test that a CryptographicFailure error is raised when the symmetric
dataset/ETHPy150Open fabianp/memory_profiler/memory_profiler.py/TimeStamper.timestamp--crossover with--dataset/ETHPy150Open OpenKMIP/PyKMIP/kmip/tests/unit/services/server/crypto/test_engine.py/TestCryptographyEngine.test_create_symmetric_key_with_cryptographic_failure