@property
    def vectorNy(self):
        return None if self.dim < 2 else np.r_[0., self.hy.cumsum()] + self.x0[1]
L{_writeTracebackMessage} serializes exceptions to string values and
dataset/ETHPy150Open simpeg/simpeg/SimPEG/Mesh/TensorMesh.py/BaseTensorMesh.vectorNy--crossover with--dataset/ETHPy150Open ClusterHQ/eliot/eliot/tests/test_traceback.py/TracebackLoggingTests.test_serialization