def __setattr__(self, name, value):
Sprite.__setattr__(self, name, value)
if name == 'string':
oldCenterX = self.rect.centerx
self.image = self.font.render(self.string, 1, self.color)
self.rect = self.image.get_rect()
self.rect.centerx = oldCenterX
self.rect.top = 5
