New answers tagged qt
Do not run KDE or Gnome. Use either .xsession or .xinitrc to run the application instead of a desktop. Combine this with auto-login.
I encountered the same problem. In the end I downloaded SIP and PyQt from riverbankcomputing.com, and installed them with: python configure.py make make install
Not so obvious solution for GTK apps in Cinnamon: gsettings set org.cinnamon.desktop.interface gtk-key-theme "Emacs"
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