PEP 757: address gpshead's review (part 2, the value field)

[skirpichev]

• Change is either:
  • To a Draft PEP
  • To an Accepted or Final PEP, with Steering Council approval
  • To fix an editorial issue (markup, typo, link, header, etc)
• PR title prefixed with PEP number (e.g. PEP 123: Summary of changes)

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📚 Documentation preview 📚: https://pep-previews--4153.org.readthedocs.build/

[vstinner]

@gpshead: If you are not convinced, we can simplify the API by removing the .value member. What do you think?

[gpshead]

@gpshead: If you are not convinced, we can simplify the API by removing the .value member. What do you think?

No need. Thanks for documenting this. :)

[ncoghlan]

Since the PEP authors both chimed in above, and this PR was mentioned in the SC's approval notice, going ahead and merging the addition.