PEP 604 ready for acceptance (Allow writing union types as X | Y)

I'm ready to pronounce PEP 604 as accepted: https://www.python.org/dev/peps/ pep-0604/ With the help of Maggie Moss the PEP has received some updates clarifying the specification; Maggie's implementation is also well under way. Unless there are objections here within the next 24 hours I will accept the PEP, and the feature will launch in Python 3.10. Thanks Philippe Prados for bringing this to PEP level and thanks to Maggie for her implementation work. -- --Guido van Rossum (python.org/~guido) *Pronouns: he/him **(why is my pronoun here?)* <http://feministing.com/2015/02/03/how-using-they-as-a-singular-pronoun-can-c...>

On Thu, Aug 13, 2020 at 6:41 AM Guido van Rossum <guido@python.org> wrote:
I'm ready to pronounce PEP 604 as accepted: https://www.python.org/dev/peps/pep-0604/
With the help of Maggie Moss the PEP has received some updates clarifying the specification; Maggie's implementation is also well under way.
Unless there are objections here within the next 24 hours I will accept the PEP, and the feature will launch in Python 3.10.
Thanks Philippe Prados for bringing this to PEP level and thanks to Maggie for her implementation work.
Awesome! Thank you and congrats both, and thank you Guido and the SC. Very happy to see this happening! ChrisA

Done! On Wed, Aug 12, 2020 at 1:40 PM Guido van Rossum <guido@python.org> wrote:
I'm ready to pronounce PEP 604 as accepted: https://www.python.org/dev/ peps/pep-0604/
With the help of Maggie Moss the PEP has received some updates clarifying the specification; Maggie's implementation is also well under way.
Unless there are objections here within the next 24 hours I will accept the PEP, and the feature will launch in Python 3.10.
Thanks Philippe Prados for bringing this to PEP level and thanks to Maggie for her implementation work.
-- --Guido van Rossum (python.org/~guido) *Pronouns: he/him **(why is my pronoun here?)* <http://feministing.com/2015/02/03/how-using-they-as-a-singular-pronoun-can-c...>
-- --Guido van Rossum (python.org/~guido) *Pronouns: he/him **(why is my pronoun here?)* <http://feministing.com/2015/02/03/how-using-they-as-a-singular-pronoun-can-c...>

Not that it matters at this point, but LGTM! Just two quick things to maybe change in the PEP: " this operator introduce a dependency" -> "introduces" " As breaking the backport" reads awkwardly as the other bullet points don't seem to assume reading "Con" before the sentence. On Thu, Aug 13, 2020 at 3:00 PM Guido van Rossum <guido@python.org> wrote:
Done!
On Wed, Aug 12, 2020 at 1:40 PM Guido van Rossum <guido@python.org> wrote:
I'm ready to pronounce PEP 604 as accepted: https://www.python.org/dev/ peps/pep-0604/
With the help of Maggie Moss the PEP has received some updates clarifying the specification; Maggie's implementation is also well under way.
Unless there are objections here within the next 24 hours I will accept the PEP, and the feature will launch in Python 3.10.
Thanks Philippe Prados for bringing this to PEP level and thanks to Maggie for her implementation work.
-- --Guido van Rossum (python.org/~guido) *Pronouns: he/him **(why is my pronoun here?)* <http://feministing.com/2015/02/03/how-using-they-as-a-singular-pronoun-can-c...>
-- --Guido van Rossum (python.org/~guido) *Pronouns: he/him **(why is my pronoun here?)* <http://feministing.com/2015/02/03/how-using-they-as-a-singular-pronoun-can-c...> _______________________________________________ Typing-sig mailing list -- typing-sig@python.org To unsubscribe send an email to typing-sig-leave@python.org https://mail.python.org/mailman3/lists/typing-sig.python.org/ Member address: brett@python.org

Thanks, fixed! On Thu, Aug 13, 2020 at 3:34 PM Brett Cannon <brett@python.org> wrote:
Not that it matters at this point, but LGTM!
Just two quick things to maybe change in the PEP:
" this operator introduce a dependency" -> "introduces" " As breaking the backport" reads awkwardly as the other bullet points don't seem to assume reading "Con" before the sentence.
On Thu, Aug 13, 2020 at 3:00 PM Guido van Rossum <guido@python.org> wrote:
Done!
On Wed, Aug 12, 2020 at 1:40 PM Guido van Rossum <guido@python.org> wrote:
I'm ready to pronounce PEP 604 as accepted: https://www.python.org/dev/ peps/pep-0604/
With the help of Maggie Moss the PEP has received some updates clarifying the specification; Maggie's implementation is also well under way.
Unless there are objections here within the next 24 hours I will accept the PEP, and the feature will launch in Python 3.10.
Thanks Philippe Prados for bringing this to PEP level and thanks to Maggie for her implementation work.
-- --Guido van Rossum (python.org/~guido) *Pronouns: he/him **(why is my pronoun here?)* <http://feministing.com/2015/02/03/how-using-they-as-a-singular-pronoun-can-c...>
-- --Guido van Rossum (python.org/~guido) *Pronouns: he/him **(why is my pronoun here?)* <http://feministing.com/2015/02/03/how-using-they-as-a-singular-pronoun-can-c...> _______________________________________________ Typing-sig mailing list -- typing-sig@python.org To unsubscribe send an email to typing-sig-leave@python.org https://mail.python.org/mailman3/lists/typing-sig.python.org/ Member address: brett@python.org
-- --Guido van Rossum (python.org/~guido) *Pronouns: he/him **(why is my pronoun here?)* <http://feministing.com/2015/02/03/how-using-they-as-a-singular-pronoun-can-c...>

Thanks for the feedback! I can put up a PR to add those changes. Cheers, Maggie ________________________________ From: Brett Cannon <brett@python.org> Sent: Thursday, August 13, 2020 3:34 PM To: Guido van Rossum <guido@python.org> Cc: typing-sig@python.org <typing-sig@python.org>; Philippe Prados <philippe.prados@gmail.com>; Maggie Moss <maggiemoss@fb.com>; Chris Angelico <rosuav@gmail.com> Subject: Re: [Typing-sig] Re: PEP 604 ready for acceptance (Allow writing union types as X | Y) Not that it matters at this point, but LGTM! Just two quick things to maybe change in the PEP: " this operator introduce a dependency" -> "introduces" " As breaking the backport" reads awkwardly as the other bullet points don't seem to assume reading "Con" before the sentence. On Thu, Aug 13, 2020 at 3:00 PM Guido van Rossum <guido@python.org<mailto:guido@python.org>> wrote: Done! On Wed, Aug 12, 2020 at 1:40 PM Guido van Rossum <guido@python.org<mailto:guido@python.org>> wrote: I'm ready to pronounce PEP 604 as accepted: https://www.python.org/dev/peps/pep-0604/<https://urldefense.proofpoint.com/v2/url?u=https-3A__www.python.org_dev_peps_pep-2D0604_&d=DwMFaQ&c=5VD0RTtNlTh3ycd41b3MUw&r=f28uZNOWonDFk7FJQDoV1HxAt9325GELs0nSw_fZ-QQ&m=IXJjMQdhtEGj2Y89YSxuUlS3ahvJaWr_BEBmNB8HkOY&s=3q-WV3_YkWjxATXhL3TITEOz-D4whutwg6xM34p5hYk&e=> With the help of Maggie Moss the PEP has received some updates clarifying the specification; Maggie's implementation is also well under way. Unless there are objections here within the next 24 hours I will accept the PEP, and the feature will launch in Python 3.10. Thanks Philippe Prados for bringing this to PEP level and thanks to Maggie for her implementation work. -- --Guido van Rossum (python.org/~guido<https://urldefense.proofpoint.com/v2/url?u=http-3A__python.org_-7Eguido&d=DwMFaQ&c=5VD0RTtNlTh3ycd41b3MUw&r=f28uZNOWonDFk7FJQDoV1HxAt9325GELs0nSw_fZ-QQ&m=IXJjMQdhtEGj2Y89YSxuUlS3ahvJaWr_BEBmNB8HkOY&s=u1vPTthwelCTrNwFZxYzF7-54OPbzyLItuxu90tLqKM&e=>) Pronouns: he/him (why is my pronoun here?)<https://urldefense.proofpoint.com/v2/url?u=http-3A__feministing.com_2015_02_03_how-2Dusing-2Dthey-2Das-2Da-2Dsingular-2Dpronoun-2Dcan-2Dchange-2Dthe-2Dworld_&d=DwMFaQ&c=5VD0RTtNlTh3ycd41b3MUw&r=f28uZNOWonDFk7FJQDoV1HxAt9325GELs0nSw_fZ-QQ&m=IXJjMQdhtEGj2Y89YSxuUlS3ahvJaWr_BEBmNB8HkOY&s=3gpV_jPbIqL7_5Ss-NmIEZ0hQrwy8He7hBwotwWzzdY&e=> -- --Guido van Rossum (python.org/~guido<https://urldefense.proofpoint.com/v2/url?u=http-3A__python.org_-7Eguido&d=DwMFaQ&c=5VD0RTtNlTh3ycd41b3MUw&r=f28uZNOWonDFk7FJQDoV1HxAt9325GELs0nSw_fZ-QQ&m=IXJjMQdhtEGj2Y89YSxuUlS3ahvJaWr_BEBmNB8HkOY&s=u1vPTthwelCTrNwFZxYzF7-54OPbzyLItuxu90tLqKM&e=>) Pronouns: he/him (why is my pronoun here?)<https://urldefense.proofpoint.com/v2/url?u=http-3A__feministing.com_2015_02_03_how-2Dusing-2Dthey-2Das-2Da-2Dsingular-2Dpronoun-2Dcan-2Dchange-2Dthe-2Dworld_&d=DwMFaQ&c=5VD0RTtNlTh3ycd41b3MUw&r=f28uZNOWonDFk7FJQDoV1HxAt9325GELs0nSw_fZ-QQ&m=IXJjMQdhtEGj2Y89YSxuUlS3ahvJaWr_BEBmNB8HkOY&s=3gpV_jPbIqL7_5Ss-NmIEZ0hQrwy8He7hBwotwWzzdY&e=> _______________________________________________ Typing-sig mailing list -- typing-sig@python.org<mailto:typing-sig@python.org> To unsubscribe send an email to typing-sig-leave@python.org<mailto:typing-sig-leave@python.org> https://mail.python.org/mailman3/lists/typing-sig.python.org/<https://urldefense.proofpoint.com/v2/url?u=https-3A__mail.python.org_mailman3_lists_typing-2Dsig.python.org_&d=DwMFaQ&c=5VD0RTtNlTh3ycd41b3MUw&r=f28uZNOWonDFk7FJQDoV1HxAt9325GELs0nSw_fZ-QQ&m=IXJjMQdhtEGj2Y89YSxuUlS3ahvJaWr_BEBmNB8HkOY&s=--_VK7CRTIjgO4smHmKjgGVMTJ0GIeZmt7qrhiV2nTU&e=> Member address: brett@python.org<mailto:brett@python.org>
participants (4)
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Brett Cannon
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Chris Angelico
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Guido van Rossum
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Maggie Moss