[linuxdonald@linuxdonald-pc unknown-horizons]$ ./run_uh.py
libGL: pci id for fd 6: 1002:67b0, driver radeonsi
libGL: OpenDriver: trying /usr/lib/xorg/modules/dri/tls/radeonsi_dri.so
libGL: OpenDriver: trying /usr/lib/xorg/modules/dri/radeonsi_dri.so
libGL: Using DRI3 for screen 0
connect(2) call to /dev/shm/jack-1000/default/jack_0 failed (err=No such file or directory)
attempt to connect to server failed
Traceback (most recent call last):
  File "./run_uh.py", line 383, in <module>
    main()
  File "./run_uh.py", line 192, in main
    ret = horizons.main.start(options)
  File "/home/linuxdonald/dev/unknown-horizons/horizons/main.py", line 281, in start
    horizons.globals.fife.run()
  File "/home/linuxdonald/dev/unknown-horizons/horizons/engine/engine.py", line 278, in run
    self.loop()
  File "/home/linuxdonald/dev/unknown-horizons/horizons/engine/engine.py", line 290, in loop
    f()
  File "/home/linuxdonald/dev/unknown-horizons/horizons/timer.py", line 113, in check_tick
    f(self.tick_next_id)
  File "/home/linuxdonald/dev/unknown-horizons/horizons/scheduler.py", line 96, in tick
    callback.callback()
  File "/home/linuxdonald/dev/unknown-horizons/horizons/util/python/callback.py", line 48, in __call__
    return self.callback(*self.args, **self.kwargs)
  File "/home/linuxdonald/dev/unknown-horizons/horizons/ai/aiplayer/__init__.py", line 323, in tick
    self.international_trade_manager.tick()
  File "/home/linuxdonald/dev/unknown-horizons/horizons/ai/aiplayer/internationaltrademanager.py", line 132, in tick
    self._add_route()
  File "/home/linuxdonald/dev/unknown-horizons/horizons/ai/aiplayer/internationaltrademanager.py", line 128, in _add_route
    bought_resource, sold_resource, settlement, settlement_manager = max(final_options)[1:]
TypeError: unorderable types: NoneType() > int()
AL lib: (EE) alc_cleanup: 1 device not closed