code: def hide_busy(self):
          
          self.progress_bar.hide()
          self.parent.pbnNext.setEnabled(True)
          self.parent.pbnBack.setEnabled(True)
          self.parent.pbnCancel.setEnabled(True)
          self.parent.repaint()
          disable_busy_cursor()
docs: Unlock buttons A helper function to indicate processing is done.