def usage(usage_string):
    def decorate(func):
        func.usage = usage_string
        return func
    return decorate
Test that blockshape can be used.
dataset/ETHPy150Open Shopify/shopify_python_api/scripts/shopify_api.py/usage--crossover with--dataset/ETHPy150Open dask/dask/dask/array/tests/test_rechunk.py/test_rechunk_blockshape