import aiohttp
import asyncio

async def main():
    session = aiohttp.ClientSession()
    while True:
        r = await session.get("http://localhost:8080/")
        if r.status == 204:
            r.close()
            break
        print(await r.text(), end='')
    session.close()

loop = asyncio.get_event_loop()
loop.run_until_complete(main())