from pathlib import Path
import wx
_app=wx.App(False)
import pcbnew as k
p=Path(__file__).resolve().parent;b=k.LoadBoard(str(p/'pre_route_board.kicad_pcb'));assert k.ImportSpecctraSES(b,str(p/'routing_v19.ses'));k.SaveBoard(str(p/'board/led_driver.kicad_pcb'),b)
