[1.x] Backport of #19078

[r3stl355]

Description

Backport of #19078 to v1.x (solves #18886)

Checklist

Essentials

• PR's title starts with a category (e.g. [BUGFIX], [MODEL], [TUTORIAL], [FEATURE], [DOC], etc)
• Changes are complete (i.e. I finished coding on this PR)
• All changes have test coverage
• Code is well-documented

[mxnet-bot]

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[szha]

@r3stl355 thanks for backporting! remember to add back the part for text processing as it's still available in contrib on 1.x

[r3stl355]

@szha thanks, yes, I realised that at some point after submitting the PR. I still need to figure out how to run all the tests locally, doing nosetests tests/python/unittest/ segfaults and crashes Python on my Mac

[szha]

@szha thanks, yes, I realised that at some point after submitting the PR. I still need to figure out how to run all the tests locally, doing nosetests tests/python/unittest/ segfaults and crashes Python on my Mac

This seems to be a common request. I recently shared some of it in #18997 (comment), though I think we likely need to expand a bit more and add in https://github.com/apache/incubator-mxnet/blob/master/docs/static_site/src/pages/community/code_guide.md#testing

[r3stl355]

Great, I'll try to make it run on my machine and update the docs

[r3stl355]

@szha - do you want to merge this before the 1.8 release?

[leezu]

You can suggest the inclusion in #18800