Update app.py

app.py

@@ -88,9 +88,9 @@ def minimax(board, depth, is_maximizing):
 def play_tic_tac_toe(evt: gr.SelectData, board, game_over):
 
     print(f"Event = {evt}")
-    print(f"Index = {evt.index}")
+    # print(f"Index = {evt.index}")
     
-    if evt.index is None:
+    if evt is None:
         return draw_board(board), "Invalid action! Please click on the board.", False
     
     if game_over: