code: def flightmode_colours():
      '''return mapping of flight mode to colours'''
      from MAVProxy.modules.lib.grapher import flightmode_colours
      mapping = {}
      idx = 0
      for (mode,t0,t1) in flightmodes:
          if not mode in mapping:
              mapping[mode] = flightmode_colours[idx]
              idx += 1
              if idx >= len(flightmode_colours):
                  idx = 0
      return mappinf flightmode_colours():
      '''return mapping of flight mode to colours'''
      from MAVProxy.modules.lib.grapher import flightmode_colours
      mapping = {}
      idx = 0
      for (mode,t0,t1) in flightmodes:
          if not mode in mapping:
              mapping[mode] = flightmode_colours[idx]
              idx += 1
              if idx >= len(flightmode_colours):
                  idx = 0
      return mapping
docs: return mapping of flight mode to colours