- raise Exception('Could not guess source component.')
- source_component = self.session.query(Component).filter_by(component_name=source_component_name).one()
+ source_component = self.session.query(Component).order_by(Component.component_id).first()
+ else:
+ source_component = self.session.query(Component).filter_by(component_name=source_component_name).one()