There is a fix, add this to the launch script (or ~/.bashrc and run the app from a terminal)
export UBUNTU_MENUPROXY=0 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/682478 Title: wxpython apps do not show menu bar -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs