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On OpenBSD/sparc64 -current, nyx 2.0.4 dumps the following trace if the controlling terminal is too small.

I'd expect this exit gracefully or show a limited view that fits.

$ echo $TERM
screen
$ resize
COLUMNS=105;
LINES=13;
export COLUMNS LINES;
$ nyx-relay
Exception in thread Thread-6:
Traceback (most recent call last):
  File "/usr/local/lib/python3.6/threading.py", line 916, in _bootstrap_inner
    self.run()
  File "/usr/local/lib/python3.6/threading.py", line 864, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/local/lib/python3.6/site-packages/nyx/__init__.py", line 740, in halt_panels
    panel.join()
  File "/usr/local/lib/python3.6/threading.py", line 1051, in join
    raise RuntimeError("cannot join thread before it is started")
RuntimeError: cannot join thread before it is started

Traceback (most recent call last):
  File "/usr/local/bin/nyx", line 11, in <module>
    load_entry_point('nyx==2.0.4', '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 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/python3.6/site-packages/nyx/curses.py", line 217, 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 215, in _wrapper
    function()
  File "/usr/local/lib/python3.6/site-packages/nyx/__init__.py", line 200, in draw_loop
    interface.redraw()
  File "/usr/local/lib/python3.6/site-packages/nyx/__init__.py", line 716, in redraw
    panel.redraw(force = force, top = occupied)
  File "/usr/local/lib/python3.6/site-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/python3.6/site-packages/nyx/curses.py", line 740, in draw
    curses_subwindow = CURSES_SCREEN.subwin(subwindow_height, subwindow_width, top, left)
_curses.error: curses function returned NULL

Trac:
Username: kn