from naja.events import SceneChangeEvent
from naja.scenes.scene import Scene
from naja.widgets.board import BoardWidget
from naja.events import SceneChangeEvent
from naja.scenes.scene import Scene
from naja.widgets.board import BoardWidget
def handle_scene_event(self, ev):
from naja.scenes.menu import MenuScene
def handle_scene_event(self, ev):
from naja.scenes.menu import MenuScene