What's the best way to override the facing.py utility?

# put/rename the file in YOUR CONFIGFOLDER/qtvcp/screens/qtdragon_hd/qtdragon_hd_handler.py

import sys
import importlib

from qtvcp.lib.qt_ngcgui.ngcgui import NgcGui
from qtvcp.lib.auto_height.auto_height import Auto_Measure
from qtvcp.core import Path, Action

PATH = Path()
ACTION = Action()

# get reference to original handler file so we can subclass it
sys.path.insert(0, PATH.SCREENDIR)
module = "{}.{}_handler".format(PATH.BASEPATH,PATH.BASEPATH)
mod = importlib.import_module(module, PATH.SCREENDIR)
sys.path.remove(PATH.SCREENDIR)
HandlerClass = mod.HandlerClass

# return our subclassed handler object
def get_handlers(halcomp, widgets, paths):
    return [UserHandlerClass(halcomp, widgets, paths)]

class UserHandlerClass(HandlerClass):
    print('\nCustom subclassed handler for custom facing utility - loaded\n')

    def init_utils(self):
        from qtvcp.lib.gcode_utility.facing import Facing          # <<<< modify this
        self.facing = Facing()
        self.w.layout_facing.addWidget(self.facing)

        from qtvcp.lib.gcode_utility.hole_circle import Hole_Circle
        self.hole_circle = Hole_Circle()
        self.w.layout_hole_circle.addWidget(self.hole_circle)

        try:
            from qtvcp.lib.gcode_utility.hole_enlarge import Hole_Enlarge
            self.hole_enlarge = Hole_Enlarge()
            ACTION.ADD_WIDGET_TO_TAB(self.w.tabWidget_utilities,self.hole_enlarge, 'Hole Enlarge')
        except Exception as e:
            print("Utility hole enlarge unavailable: {}".format(e))

        #LOG.info("Using NGCGUI utility")
        self.ngcgui = NgcGui()
        self.w.layout_ngcgui.addWidget(self.ngcgui)
        self.ngcgui.warp_info_frame(self.w.ngcGuiLeftLayout)

        self.auto_measure = Auto_Measure(self.w)
        self.w.layout_workpiece.addWidget(self.auto_measure)
        self.auto_measure._hal_init()