I tried to follow scicalculator's instructions to brew pymol # reset if necessary (only necessary if you previsouly installed tk,tcl, or python) brew uninstall python brew uninstall tk brew uninsta ...

Considering that there are packages for both TCL and Tk, it would be nice if the packaged Python was built with support for Tk/Tkinter. Currently (on Haiku beta3, Python 3.7.12), attempting to impo ...