我在 python 和 pygame 中有一個小程序，但是當(dāng)我運行它時，出現(xiàn)以下錯誤：pygame 1.9.6Hello from the pygame community. https://www.pygame.org/contribute.htmlTraceback (most recent call last):  File "main.py", line 31, in <module>    main()  File "main.py", line 25, in main    board.draw(WIN)  File "/home/ether/Desktop/checkersai/checker/board.py", line 42, in draw    piece.draw(win)  File "/home/ether/Desktop/checkersai/checker/piece.py", line 32, in draw    pygame.draw.circle(win, GREY, (self.x, self.y), radius + self.OUTLINE)TypeError: integer argument expected, got float這是錯誤所在的函數(shù)：def draw(self, win):        radius = SQUARE_SIZE//2 - self.PADDING        pygame.draw.circle(win, GREY, (self.x, self.y), radius + self.OUTLINE)        pygame.draw.circle(win, self.color, (self.x, self.y), radius)這些是我使用的變量：WIDTH, HEIGHT = 800,800ROWS, COLS = 8,8SQUARE_SIZE = WIDTH/COLS所以我不知道如何得到這個錯誤，也不知道我需要從哪里開始尋找錯誤。這是我的項目的完整代碼 https://pastebin.ubuntu.com/p/DHcRNT6948/