I use asyncio to download pictures. I can download them but cannot open them

@asyncio.coroutine # <3>
def get_flag(cc):

print(6) resp = yield from aiohttp.request('GET', cc) # <4> image = yield from resp.read() # <5> ##########有问题 return image ////////////////////////////////////// 上边是代码，能够request，但是在read的时候就出现问题了，cc是图片的路径