Facing the same traceback while hitting the button 'Save QRCode' in Ubuntu 17.10 and Ubuntu 18.04 LTS. Attached is a patch, which fixed the issue for me. Because Python is a scripting language, you can apply that patch directly without any recompiling: sudo patch -p0 <./filename_tuple.patch
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The issue was introduced with the change of the Python binding from Qt4 to Qt5. In the head of development (branch: trunk), this issue is fixed already with revision 27 (for Save via saveCode) and 24 (for Open via decodeFile). Although I solved this issue independently thanks to <https://stackoverflow.com/a/37822182>, I aligned the attached patch with the current trunk. When it comes to your Wi-Fi typing issue, I am able to reproduce that even with the latest tool QtQR (revision 28) and latest library qr-tools (revision 29). Therefore, I opened a new bug report at <https://bugs.launchpad.net/qr-tools/+bug/1761713>. ** Patch added: "filename_tuple.patch" https://bugs.launchpad.net/ubuntu/+source/qr-tools/+bug/1729066/+attachment/5103826/+files/filename_tuple.patch -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1729066 Title: [Kubuntu 17.10 / PPA daily] QtQr crashes while saving to PNG To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/qr-tools/+bug/1729066/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
