Where can I find helper_utils module?

In Advanced Retrieval for AI with Chroma, Lesson 2 Overview of embeddings-based retrieval, the notebook has the statement from helper_utils import word_wrap.

I want to run the code on a local notebook. I am looking for a reliable source for the helper_utils module. (There is a link on pypi, but the module description, repo, documentation, etc. is absent, so I doubt the safety of that.)

With additional searching, I found the answer here

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