Bio.Entrez in Biopython through 186 allows doctype XXE.
https://pypi.org/project/biopython/1.87/
https://github.com/biopython/biopython/issues/5109
https://github.com/biopython/biopython/commit/736c96f37b190732ecca9da80ad0cb9d4967214d
https://github.com/biopython/biopython/blob/master/NEWS.rst