Crash on replacing playlist

[Mrokkk]

Traceback (most recent call last):
  File "./player", line 26, in <module>
    main()
  File "./player", line 23, in main
    Player(verbose=args.verbose).run()
  File "/repos/player/playerlib/player.py", line 56, in run
    def run(self):
  File "/repos/player/urwim/urwim/app.py", line 96, in run
    super().run()
  File "/.local/lib/python3.6/site-packages/urwid/main_loop.py", line 278, in run
    self._run()
  File "/.local/lib/python3.6/site-packages/urwid/main_loop.py", line 376, in _run
    self.event_loop.run()
  File "/.local/lib/python3.6/site-packages/urwid/main_loop.py", line 1328, in run
    raise self._exc_info[0](self._exc_info[1]).with_traceback(self._exc_info[2])
  File "/usr/lib/python3.6/asyncio/events.py", line 145, in _run
    self._callback(*self._args)
  File "/.local/lib/python3.6/site-packages/urwid/main_loop.py", line 1289, in faux_idle_callback
    callback()
  File "/.local/lib/python3.6/site-packages/urwid/main_loop.py", line 564, in entering_idle
    self.draw_screen()
  File "/repos/player/urwim/urwim/app.py", line 70, in draw_screen
    super().draw_screen(*args, **kwargs)
  File "/.local/lib/python3.6/site-packages/urwid/main_loop.py", line 578, in draw_screen
    canvas = self._topmost_widget.render(self.screen_size, focus=True)
  File "/.local/lib/python3.6/site-packages/urwid/widget.py", line 141, in cached_render
    canv = fn(self, size, focus=focus)
  File "/.local/lib/python3.6/site-packages/urwid/widget.py", line 1750, in render
    canv = get_delegate(self).render(size, focus=focus)
  File "/.local/lib/python3.6/site-packages/urwid/widget.py", line 141, in cached_render
    canv = fn(self, size, focus=focus)
  File "/.local/lib/python3.6/site-packages/urwid/container.py", line 1083, in render
    focus and self.focus_part == 'body')
  File "/.local/lib/python3.6/site-packages/urwid/widget.py", line 141, in cached_render
    canv = fn(self, size, focus=focus)
  File "/.local/lib/python3.6/site-packages/urwid/widget.py", line 1750, in render
    canv = get_delegate(self).render(size, focus=focus)
  File "/.local/lib/python3.6/site-packages/urwid/widget.py", line 141, in cached_render
    canv = fn(self, size, focus=focus)
  File "/.local/lib/python3.6/site-packages/urwid/container.py", line 1083, in render
    focus and self.focus_part == 'body')
  File "/.local/lib/python3.6/site-packages/urwid/widget.py", line 141, in cached_render
    canv = fn(self, size, focus=focus)
  File "/.local/lib/python3.6/site-packages/urwid/widget.py", line 1750, in render
    canv = get_delegate(self).render(size, focus=focus)
  File "/.local/lib/python3.6/site-packages/urwid/widget.py", line 141, in cached_render
    canv = fn(self, size, focus=focus)
  File "/.local/lib/python3.6/site-packages/urwid/container.py", line 2085, in render
    focus = focus and self.focus_position == i)
  File "/.local/lib/python3.6/site-packages/urwid/widget.py", line 141, in cached_render
    canv = fn(self, size, focus=focus)
  File "/.local/lib/python3.6/site-packages/urwid/widget.py", line 1750, in render
    canv = get_delegate(self).render(size, focus=focus)
  File "/.local/lib/python3.6/site-packages/urwid/widget.py", line 141, in cached_render
    canv = fn(self, size, focus=focus)
  File "/.local/lib/python3.6/site-packages/urwid/container.py", line 1083, in render
    focus and self.focus_part == 'body')
  File "/.local/lib/python3.6/site-packages/urwid/widget.py", line 141, in cached_render
    canv = fn(self, size, focus=focus)
  File "/.local/lib/python3.6/site-packages/urwid/container.py", line 1083, in render
    focus and self.focus_part == 'body')
  File "/.local/lib/python3.6/site-packages/urwid/widget.py", line 141, in cached_render
    canv = fn(self, size, focus=focus)
  File "/.local/lib/python3.6/site-packages/urwid/listbox.py", line 507, in render
    raise ListBoxError("Listbox contents too short!  Probably urwid's fault (please report): %r" % ((top,middle,bottom),))
urwid.listbox.ListBoxError: Listbox contents too short!  Probably urwid's fault (please report): ((0, []), (0, <Entry selectable flow widget ''>, 0, 1, None), (0, [(<Entry selectable flow widget ''>, 1, 1), (<Entry selectable flow widget ''>, 2, 1), (<Entry selectable flow widget ''>, 3, 1), (<Entry selectable flow widget ''>, 4, 1), (<Entry selectable flow widget ''>, 5, 1), (<Entry selectable flow widget ''>, 6, 1), (<Entry selectable flow widget ''>, 7, 1), (<Entry selectable flow widget ''>, 8, 1), (<Entry selectable flow widget ''>, 9, 1), (<Entry selectable flow widget ''>, 10, 1), (<Entry selectable flow widget ''>, 11, 1), (<Entry selectable flow widget ''>, 12, 1), (<Entry selectable flow widget ''>, 13, 1), (<Entry selectable flow widget ''>, 14, 1), (<Entry selectable flow widget ''>, 15, 1), (<Entry selectable flow widget ''>, 16, 1), (<Entry selectable flow widget ''>, 17, 1), (<Entry selectable flow widget ''>, 18, 1), (<Entry selectable flow widget ''>, 19, 1), (<Entry selectable flow widget ''>, 20, 1), (<Entry selectable flow widget ''>, 21, 1), (<Entry selectable flow widget ''>, 22, 1), (<Entry selectable flow widget ''>, 23, 1)]))