问Pygame-使用pygame.event.set_blocked()禁用一个键会导致窗口崩溃并返回错误

EN

    for event in pygame.event.get():
        if event.type == pygame.QUIT:
            running = False

         #player1 buttons
        if event.type == pygame.KEYDOWN:
               #move
            if event.key == pygame.K_LEFT:
                playerX_change = -1
            if event.key == pygame.K_RIGHT:
                playerX_change = 1
                #Jump
            if event.key == pygame.K_UP:
                playerY_change = -3
                player_jump = True
                pygame.event.set_blocked(pygame.K_UP)
                if player_jump == True:
                    playerY_change += gravity


        # for X player 1
        if event.type == pygame.KEYUP:
            if event.key == pygame.K_LEFT or event.key == pygame.K_RIGHT:
                playerX_change = 0

        #for Y player 1
        if event.type == pygame.KEYUP:
            if event.key == pygame.K_UP:
                if playerY == 900:
                    playerY_change = 0
                    player_jump = False
                    pygame.event.set_allowed(pygame.K_UP)