[Bug 2133153] Re: cloudpickle FTBFS with python 3.14

Eduardo Barretto 2133153 at bugs.launchpad.net
Thu Nov 27 09:53:51 UTC 2025


** Description changed:

- cloudpickle version 3.1.1 fails to build from source with python3.14, as can be seen in here:
+ 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.
+ This issue was fixed in upstream in version 3.1.2, which currently isn't
+ available in Debian.
  
- Debian will be impacted by this issue too when they transition to
- python3.14. I will be reporting this also to them.
+ 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.
+ 
+ 
+ Debian will be impacted by this issue too when they transition to python3.14. I will be reporting this also to them.

** Patch added: "cloudpickle_3.1.1-2~ppa1.debdiff"
   https://bugs.launchpad.net/ubuntu/+source/cloudpickle/+bug/2133153/+attachment/5929994/+files/cloudpickle_3.1.1-2~ppa1.debdiff

** Description changed:

  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.
+ 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.
+ 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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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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