_curses.error: init_pair() returned ERR

[aghasi]

 File "/usr/local/lib/python2.7/dist-packages/culour/culour.py", line 102, in addstr
    return _inner_addstr(window, string, y, x)
  File "/usr/local/lib/python2.7/dist-packages/culour/culour.py", line 73, in _inner_addstr
    _add_line(y, x, window, line)
  File "/usr/local/lib/python2.7/dist-packages/culour/culour.py", line 51, in _add_line
    default_color_pair = _get_color(curses.COLOR_WHITE, curses.COLOR_BLACK)
  File "/usr/local/lib/python2.7/dist-packages/culour/culour.py", line 31, in _get_color
    curses.init_pair(pair_num, fg, bg)
_curses.error: init_pair() returned ERR

[1v]

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