Make setup Py3 compatible
Make setup Py3 compatible

robertodr/xcfun,robertodr/xcfun,robertodr/xcfun,bast/xcfun,dftlibs/xcfun,bast/xcfun,dftlibs/xcfun,bast/xcfun,dftlibs/xcfun,bast/xcfun,robertodr/xcfun,dftlibs/xcfun