Nyx crashed when scrolling down on the Tor Configuration File page

Nyx crashed when scrolling down on the Tor Configuration File page. Here is the traceback.

File "/usr/local/bin/nyx", line 11, in <module>

    sys.exit(main())

  File "/usr/local/lib/python3.5/dist-packages/nyx/__init__.py", line 176, in main

    nyx.starter.main()

  File "/usr/local/lib/python3.5/dist-packages/stem/util/conf.py", line 289, in wrapped

    return func(*args, config = config, **kwargs)

  File "/usr/local/lib/python3.5/dist-packages/nyx/starter.py", line 118, in main

    nyx.curses.start(nyx.draw_loop, acs_support = config.get('acs_support', True), transparent_background = True, cursor = False)

  File "/usr/local/lib/python3.5/dist-packages/nyx/curses.py", line 217, in start

    curses.wrapper(_wrapper)

  File "/usr/lib/python3.5/curses/__init__.py", line 94, in wrapper

    return func(stdscr, *args, **kwds)

  File "/usr/local/lib/python3.5/dist-packages/nyx/curses.py", line 215, in _wrapper

    function()

  File "/usr/local/lib/python3.5/dist-packages/nyx/__init__.py", line 243, in draw_loop

    keybinding.handle(key)

  File "/usr/local/lib/python3.5/dist-packages/nyx/panel/__init__.py", line 82, in handle

    self._action(key)

  File "/usr/local/lib/python3.5/dist-packages/nyx/panel/config.py", line 232, in _scroll

    self.redraw()

  File "/usr/local/lib/python3.5/dist-packages/nyx/panel/__init__.py", line 175, in redraw

    self._last_draw_size = nyx.curses.draw(self._draw, top = self._top, height = self.get_height(), draw_if_resized = draw_dimension)

  File "/usr/local/lib/python3.5/dist-packages/nyx/curses.py", line 746, in draw

    func(_Subwindow(subwindow_width, subwindow_height, curses_subwindow))

  File "/usr/local/lib/python3.5/dist-packages/nyx/panel/config.py", line 315, in _draw

    _draw_line(subwindow, scroll_offset, DETAILS_HEIGHT + i, entry, entry == selected, value_width, description_width)

  File "/usr/local/lib/python3.5/dist-packages/nyx/panel/config.py", line 335, in _draw_line

    attr = [CONFIG['attr.config.category_color'].get(entry.category, WHITE)]

  File "/usr/local/lib/python3.5/dist-packages/nyx/panel/config.py", line 136, in category

    return getattr(manual(self.name), 'category')

AttributeError: 'NoneType' object has no attribute 'category'

Trac:
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