Thanks Dmitry for the screenshot, it gave me a hint on where the bug is. To reproduce the bug:
1. Install spyder3 and qt5-style-plugins (sudo apt install spyder3 qt5-style-plugins) 2. Run spyder3 3. Go to Tools → Preferences → General → Appearance 4. Change the Qt window style to cleanlooks, gtk2 or plastique 5. Go to Tools → Preferences → Keyboard shortcuts 6. Error (or crash in case of gtk2) ** Also affects: qtstyleplugins-src (Ubuntu) Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1832019 Title: Error when going to 'Tools -> Preferences -> Keyboard shortcuts' in Spyder3 in Bionic To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/pyqt5/+bug/1832019/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs