gh-72572: Remove mention of synced None returns for utcoffset() and dst() by slateny · Pull Request #93001 · python/cpython
Hmm, it's also possible to keep the wording but soften it, like '... should generally not ...', and actually I think the current wording is technically fine, since it doesn't say something like 'must not'. Timezone just needs some justification on why it violates the mandate, if there is a reason for it