ValueError: too many file descriptors in select()

import requests,re,os,asyncio,aiofiles,aiohttp

m3u8_url='https://baidu.sd-play.com/20230411/jiJlSz5Z/1200kb/hls/index.m3u8?skipl=1'

def download_m3u8():
    res=requests.get(m3u8_url)
    if res.status_code==200:
        folder_path = "./m3u8"
        if not os.path.exists(folder_path):
            os.makedirs(folder_path)
        with open(folder_path+'/second_m3u8.txt','w',encoding='utf-8') as f:
            f.write(res.text)
        print('下载m3u8完成')
async def download_one(url):
    for i in range(10):
        try:
            file_name=url.split('/')[-1]
            async with aiohttp.ClientSession() as session:
                async with session.get(url) as resp:
                    content=await resp.content.read()

                    async with aiofiles.open(f'./电影_源_加密后/{file_name}',mode='wb') as fa:
                        await fa.write(content)
                        await fa.close()  # 添加这一行来关闭文件
            print(url,'下载成功')
        except:
            print('下载失败',url)
            await asyncio.sleep((i+1)*5) #可以适当的进行睡眠

# async def download_all_ts():
#     tasks=[]
#     async with aiofiles.open('./m3u8/second_m3u8.txt',mode='r',encoding='utf-8') as f:
#         async for line in f:
#             if line.startswith('#'):
#                 continue
#
#             task=asyncio.create_task(download_one(line.strip()))
#             tasks.append(task)
#         await asyncio.gather(*tasks)
async def download_all_ts():
    tasks=[]
    async with aiofiles.open('./m3u8/second_m3u8.txt',mode='r',encoding='utf-8') as f:
        async for line in f:
            if line.startswith('#'):
                continue
                # 控制同时打开的文件数量
            print(line.strip())
            async with asyncio.Semaphore(300):
                task=asyncio.create_task(download_one(line.strip()))
                tasks.append(task)
        await asyncio.gather(*tasks)

if __name__ == '__main__':
    # download_m3u8()
    even_loop=asyncio.get_event_loop()
    even_loop.run_until_complete(download_all_ts())
    even_loop.close()
运行 报错：Traceback (most recent call last):
  File "D:/pythonProject/多线程/10协程下载m3u8电影.py", line 56, in <module>
    even_loop.run_until_complete(download_all_ts())
  File "D:\Python37\lib\asyncio\base_events.py", line 570, in run_until_complete
    self.run_forever()
  File "D:\Python37\lib\asyncio\base_events.py", line 538, in run_forever
    self._run_once()
  File "D:\Python37\lib\asyncio\base_events.py", line 1746, in _run_once
    event_list = self._selector.select(timeout)
  File "D:\Python37\lib\selectors.py", line 323, in select
    r, w, _ = self._select(self._readers, self._writers, [], timeout)
  File "D:\Python37\lib\selectors.py", line 314, in _select
    r, w, x = select.select(r, w, w, timeout)
ValueError: too many file descriptors in select()

该怎么解决呢 ？ 最大并发数 我都改写成2 了 还是 报错

我想知道有没有获取到数据呢