def nextOpenDescriptor():
    descriptor = os.open("/dev/null", os.O_RDONLY)
    os.close(descriptor)
    return descriptor
a.hstack(b) <==> a.stack(b, axis=-1)
dataset/ETHPy150Open BD2KGenomics/toil/src/toil/worker.py/nextOpenDescriptor--crossover with--dataset/ETHPy150Open CountZer0/PipelineConstructionSet/python/maya/site-packages/pymel-1.0.3/pymel/util/arrays.py/Array.hstack