HYTOS

                        attrs[attr] = str(line_from.connectors[0].connectedItem.uid)

                end_break.setToolTip('owner : ' + str(line_to))

                end_break.area = 'Drawing'

                end_breaks.append(end_break)

            if type(line_to) is QEngineeringLineItem and line_to.connectors[1].connectedItem is not None and type(line_to.connectors[1].connectedItem) is QEngineeringLineItem:

                item.owner = None

        finally:

            self.items.clear()

            if self.owner: self.owner.runs.remove(self)

    '''