import aiohttp
import asyncio
 
 
async def fetch(client):
    async with client.get("https://python.org") as resp:
        assert resp.status == 200
        return await resp.text()
 
 
async def main():
    async with aiohttp.ClientSession() as client:
        html = await fetch(client)
        print(html)
 
 
loop = asyncio.get_event_loop()
loop.run_until_complete(main())