[tor-bugs] #30465 [Core Tor/Nyx]: Python error and program crash when pressing "m" menu key

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#30465: Python error and program crash when pressing "m" menu key
--------------------------+------------------------------
 Reporter:  cypherpunks   |          Owner:  atagar
     Type:  defect        |         Status:  new
 Priority:  Medium        |      Component:  Core Tor/Nyx
  Version:  Tor: 0.3.5.8  |       Severity:  Normal
 Keywords:                |  Actual Points:
Parent ID:                |         Points:
 Reviewer:                |        Sponsor:
--------------------------+------------------------------
 Running system:
 {{{
 FreeBSD hostname 12.0-RELEASE FreeBSD 12.0-RELEASE r341666 GENERIC amd64
 }}}

 Packages:
 {{{
 tor-0.3.5.8
 nyx-2.1.0
 py36-stem-1.7.1
 }}}

 When I run Nyx and press the "m" key for the menu, I get the following
 error:

 {{{
 Traceback (most recent call last):
   File "/usr/local/bin/nyx", line 11, in <module>
     load_entry_point('nyx==2.1.0', 'console_scripts', 'nyx')()
   File "/usr/local/lib/python3.6/site-packages/nyx/__init__.py", line 176,
 in main
     nyx.starter.main()
   File "/usr/local/lib/python3.6/site-packages/stem/util/conf.py", line
 289, in wrapped
     return func(*args, config = config, **kwargs)
   File "/usr/local/lib/python3.6/site-packages/nyx/starter.py", line 128,
 in main
     nyx.curses.start(nyx.draw_loop, acs_support =
 config.get('acs_support', True), transparent_background = True, cursor =
 False)
   File "/usr/local/lib/python3.6/site-packages/nyx/curses.py", line 219,
 in start
     curses.wrapper(_wrapper)
   File "/usr/local/lib/python3.6/curses/__init__.py", line 94, in wrapper
     return func(stdscr, *args, **kwds)
   File "/usr/local/lib/python3.6/site-packages/nyx/curses.py", line 217,
 in _wrapper
     function()
   File "/usr/local/lib/python3.6/site-packages/nyx/__init__.py", line 221,
 in draw_loop
     nyx.menu.show_menu()
   File "/usr/local/lib/python3.6/site-packages/nyx/menu.py", line 210, in
 show_menu
     selection_x = _draw_top_menubar(menu, cursor.selection)
   File "/usr/local/lib/python3.6/site-packages/nyx/menu.py", line 296, in
 _draw_top_menubar
     nyx.curses.draw(_render, height = 1, background = RED)
   File "/usr/local/lib/python3.6/site-packages/nyx/curses.py", line 758,
 in draw
     curses_subwindow.bkgd(' ', curses_attr(background, HIGHLIGHT))
   File "/usr/local/lib/python3.6/site-packages/nyx/curses.py", line 440,
 in curses_attr
     encoded |= _color_attr()[override if override else attr]
 KeyError: 'none'
 }}}

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/30465>
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