2.3.1

Bug fixes

• Fix patching module that doesn't exist by @lhoestq in https://github.com/huggingface/datasets/pull/4495
  • fix bug when importing the lib when scipy is not installed
• Re-add download_manager module in utils by @lhoestq in https://github.com/huggingface/datasets/pull/4497
  • fix moved imports of DownloadConfig, DownloadMode, DownloadManager
• Support streaming UDHR dataset by @albertvillanova in https://github.com/huggingface/datasets/pull/4487

Full Changelog: https://github.com/huggingface/datasets/compare/2.3.0...2.3.1