Hi all, Pull request 14051:
https://github.com/numpy/numpy/pull/14051 means that `np.expand_dims` now accepts multiple axes in the `axis` argument. As before, the axis signal where a new axis is in the output array. From the new tests: a = np.empty((3, 3, 3)) np.expand_dims(a, axis=(0, 1, 2)).shape == (1, 1, 1, 3, 3, 3) np.expand_dims(a, axis=(0, -1, -2)).shape == (1, 3, 3, 3, 1, 1) np.expand_dims(a, axis=(0, 3, 5)).shape == (1, 3, 3, 1, 3, 1) np.expand_dims(a, axis=(0, -3, -5)).shape == (1, 1, 3, 1, 3, 3) We believe this is an uncontroversial generalization, but pinging the mailing list since it is an API change. If anyone is concerned please I will be happy to revert, otherwise this is expected to be included in 1.18. Cheers, Sebastian
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