There is currently an [issue with the CI](https://dev.azure.com/scikit-learn/scikit-learn/_build/results?buildId=15064&view=logs&j=78a0bf4f-79e5-5387-94ec-13e67d216d6e&t=255f4aab-5c1b-556f-e9b7-bc126d168add) with the pillow 7.1.0. xref https://github.com/python-pillow/Pillow/issues/4509