PIL'utf-8'编解码器无法解码位置0的字节0x89：无效的起始字节

问题描述

我正在互相粘贴两个图像以用作我的机器人的discord文件，但是每当我尝试将完成的图像数据从PIL和BytesIO馈送到discord时，我都会收到一个奇怪的错误：UnicodeDecodeError ：'utf-8'编解码器无法解码位置0的字节0x89：无效的起始字节

这是我的代码（或相关的块）：

async with aiohttp.ClientSession() as session:
    async with session.get(avurl) as second_image:
        image_bytes = await second_image.read()

with Image.open(BytesIO(image_bytes)).convert("RGB") as first_image:
    output_buffer = BytesIO()
    first_image.save(output_buffer,"png")
    output_buffer.seek(0)

async with aiohttp.ClientSession() as session:
    async with session.get("https://i.imgur.com/dNS0WJO.png") as second_image:
        image_bytes = await second_image.read()

with Image.open(BytesIO(image_bytes)) as second_image:
    output_buffer = BytesIO()
    second_image.save(output_buffer,"png")
    output_buffer.seek(0)

first_image.paste(second_image,(0,0))
buf = io.BytesIO()
first_image.save(buf,"png")
first_image = first_image.getvalue()
buf = buf.getvalue()
file = discord.File(fp=buf,filename="pfp.png")

解决方法

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