# Working

	# set up board
	board_buttons = [[None] * 15 for i in xrange(15)]
	for bx in xrange(15):
		for by in xrange(15):
			board_buttons[bx][by] = gtk.Button(' ')
			layout.put(board_buttons[bx][by], bx * 35, by * 35)
			board_buttons[bx][by].set_size_request(30, 30)
			board_buttons[bx][by].show()

# --------------------

# GtkWarning: Can't set a parent on widget which has a parent
#   layout.put(board_buttons[bx][by], bx * 35, by * 35)

	# set up board
	board_buttons = [[gtk.Button(' ')] * 15 for i in xrange(15)]
	for bx in xrange(15):
		for by in xrange(15):
			layout.put(board_buttons[bx][by], bx * 35, by * 35)
			board_buttons[bx][by].set_size_request(30, 30)
			board_buttons[bx][by].show()