startup: fix for finalize called recursively from finalize
startup: fix for finalize called recursively from finalize

leonsooi/pymel,david-lassonde-adsk/pymel,AtonLerin/pymel,shrtcww/pymel,shrtcww/pymel,juggernate/pymel,AtonLerin/pymel,leonsooi/pymel,cgrebeld/pymel,david-lassonde-adsk/pymel,assumptionsoup/pymel,juggernate/pymel,assumptionsoup/pymel