gh-101100: Fix sphinx warnings in whatsnew/3.9
#136163
Merged
+10 −6
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It used to be:
I opened #136162 about the
encodings
part.I had to use
because
stdtypes
defines this method asfrozenset.difference_update
📚 Documentation preview 📚: https://cpython-previews--136163.org.readthedocs.build/