Update app.py

app.py

@@ -79,7 +79,8 @@ def click_handler(evt, state):
     if state is None:
         state = (initialize_board(), -1, None, None)
     board, player, last_user, last_ai = state
-    x, y = evt.index; cell = 360//8; off = 20
+    x, y = evt.index[0], evt.index[1]
+    cell = 360//8; off = 20
     c = int((x-off)//cell); r = int((y-off)//cell)
     if 0<=r<8 and 0<=c<8 and not is_game_over(board):
         if apply_move(board, r, c, player):
@@ -104,4 +105,4 @@ with demo:
     new = gr.Button('New Game')
     img.select(click_handler, inputs=[state], outputs=[img, state], show_progress=True)
     new.click(reset_game, outputs=[img, state])
-demo.launch()
+demo.launch()