How to convert a visual graphical user interface UI files with Qt 5 Designer to convert into Python source.
https://stackoverflow.com/questions/46542326/installing-pyqt5-incl-qt-designer-on-macos-sierra
https://stackoverflow.com/questions/26212528/how-to-configure-qt-designer-to-load-pyqt-widget-in-osx
instructions
open -a Designer-qt5
python -m PyQt5.uic.pyuic -x [FILENAME].ui -o [FILENAME].py
python3 -m PyQt5.uic.pyuic -x qt5designtest.ui -o qt5designer.py