Vector-quantize-pytorch

**Full Changelog**: https://github.com/lucidrains/vector-quantize-pytorch/compare/1.21.2...1.21.4

**Full Changelog**: https://github.com/lucidrains/vector-quantize-pytorch/compare/1.21.0...1.21.1

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What's Changed
* Changed frac_per_sample_entropy to take up less memory by EmmettBicker in https://github.com/lucidrains/vector-quantize-pytorch/pull/176

New Contributors
* EmmettBicker made their first contribution in https://github.com/lucidrains/vector-quantize-pytorch/pull/176

**Full Changelog**: https://github.com/lucidrains/vector-quantize-pytorch/compare/1.20.7...1.20.10