** Description changed: Title: software-properties-qt crashes on launch with AttributeError: Qt.PartiallyChecked on Kubuntu 26.04 Description: Every time I launch software-properties-qt on Kubuntu 26.04, it immediately crashes. Steps to reproduce: 1. Open terminal 2. Run: software-properties-qt Expected result: The Software Sources window opens normally. Actual result: The application crashes immediately with: Traceback (most recent call last): File "/usr/bin/software-properties-qt", line 130, in <module> app = SoftwarePropertiesQt(datadir=data_dir, options=options, file=afile, attachWinID=attachWinID) File "/usr/lib/python3/dist-packages/softwareproperties/qt/SoftwarePropertiesQt.py", line 164, in __init__ self.show_distro() ~~~~~~~~~~~~~~~~^^ File "/usr/lib/python3/dist-packages/softwareproperties/qt/SoftwarePropertiesQt.py", line 376, in show_distro child.setCheckState(Qt.PartiallyChecked) ^^^^^^^^^^^^^^^^^^^ AttributeError: type object 'Qt' has no attribute 'PartiallyChecked' System: * Kubuntu 26.04 * Happens every launch * Installed via normal system packages Additional information: Possibly related to a Qt/PyQt API change where Qt.PartiallyChecked may now live under Qt.CheckState.PartiallyChecked. + + Package: software-properties-qt 0.120 + ApportVersion: 2.34.0-0ubuntu2 + Arch: amd64 + OS: Kubuntu 25.10 "Questing Quokka" - Release amd64 (20251007) + Upgrade status: Upgraded to resolute on 2026-05-22 (3 days ago) + Uname: Linux 7.0.0-15-generic x86_64
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2154196 Title: Software properties qt wont launch because of syntax errors in its code - Kubuntu 26.04 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/software-properties/+bug/2154196/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
