Function _sanity_checks

dask/array/reshape.py:378–386

(x, shape)

def _sanity_checks(x, shape):
    if np.isnan(sum(x.shape)):
        raise ValueError(
            f"Array chunk size or shape is unknown. shape: {x.shape}\n\n"
            "Possible solution with x.compute_chunk_sizes()"
        )

    if reduce(mul, shape, 1) != x.size:
        raise ValueError("total size of new array must be unchanged")


def reshape_blockwise(