[Bug 2133153] Re: cloudpickle FTBFS with python 3.14

[Athos Ribeiro]

Thanks Eduardo!

Would you rather update the package to the new version instead? You can
either go ahead of Debian here and I can review it, upload, then upload
to Debian and sync here, or you can also file a Salsa MR to update this
in Debian and I will be happy to review/sponsor that as well.

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https://bugs.launchpad.net/bugs/2133153

Title:
  cloudpickle FTBFS with python 3.14

Status in cloudpickle package in Ubuntu:
  New

Bug description:
  cloudpickle version 3.1.1-2 fails to build from source with python3.14, as can be seen in here:
  https://launchpad.net/ubuntu/+source/cloudpickle/3.1.1-2

  This issue was fixed in upstream in version 3.1.2, which currently
  isn't available in Debian.

  I've applied the necessary patches on top of 3.1.1-2 and tried a build and it now passes. Attached is the debdiff and the build can be found here:
  https://launchpad.net/~ebarretto/+archive/ubuntu/devel-testing/+packages?field.name_filter=cloudpickle&field.status_filter=published&field.series_filter=

  It didn't pass for amd64v3, not sure if that is really an issue.

  This should end up fixing the proposed migration of pydantic and zabbix-cli, and perhaps some others too.
  I've made a build of pydantic to check if it solves it and indeed, the build is now successful:
  https://launchpad.net/~ebarretto/+archive/ubuntu/devel-testing/+packages?field.name_filter=pydantic&field.status_filter=published&field.series_filter=

  Debian will be impacted by this issue too when they transition to
  python3.14. I will be reporting this also to them.

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