Determine If Entity Is Stale

Determine If Entity Is Stale
 1active_block.move_ad(0, 0)
 2
 3entity1 = active_block.line_ad(100, 0)
 4
 5entity1.selected = True
 6
 7active_block.delete_selected()
 8
 9if entity1.stale:
10    impact.gui.output_toolbox.add("its stale")
11
12# now reference the stale interface
13impact.gui.output_toolbox.add(entity1.end.x)
14