code: def drawing_end(self):
          '''end line drawing'''
          from MAVProxy.modules.mavproxy_map import mp_slipmap
          if self.draw_callback is None:
              return
          self.draw_callback(self.draw_line)
          self.draw_callback = None
          self.map.add_object(mp_slipmap.SlipDefaultPopup(self.default_popup, combine=True))
          self.map.add_object(mp_slipmap.SlipClearLayer('Drawing')f drawing_end(self):
          '''end line drawing'''
          from MAVProxy.modules.mavproxy_map import mp_slipmap
          if self.draw_callback is None:
              return
          self.draw_callback(self.draw_line)
          self.draw_callback = None
          self.map.add_object(mp_slipmap.SlipDefaultPopup(self.default_popup, combine=True))
          self.map.add_object(mp_slipmap.SlipClearLayer('Drawing'))
docs: end line drawing