Bag of Visual Words library in Python?

I am wondering if there is a good Bag of Visual Words library for Python? I have found some bindings for dBOW3 in Python, but they wont build for me and they appear outdated. There are plenty of examples to roll your own through kmeans clustering, but I would rather use a pre-existing solution to avoid debugging. I am trying to implement loop closure for vSLAM. Any help would be appreciated! Thanks!

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