PLS HELP

import asyncio
from aiohttp import ClientSession
from urllib.parse import urlencode


async def fetch(url, session):
    async with session.get(url) as response:
        delay = response.headers.get("DELAY")
        date = response.headers.get("DATE")
        print("{}:{} with delay {}".format(date, response.url, delay))
        return await response.read()


async def bound_fetch(sem, url, session):
    # Getter function with semaphore.
    async with sem:
        await fetch(url, session)


async def run(urls):
    tasks = []

    # Fetch all responses within one Client session,
    # keep connection alive for all requests.
    async with ClientSession() as session:
        for i in urls:
            task = asyncio.ensure_future(fetch(i, session))
            tasks.append(task)

        responses = asyncio.gather(*tasks)
        # you now have all response bodies in this variable
        await responses


def main():
    loop = asyncio.get_event_loop()
    future = asyncio.ensure_future(run([f'http://libgen.is/search.php?&{urlencode({"req": "python", "res": 100, "page": page})}'
                                        for page in range(1, 10)]))
    loop.run_until_complete(future)


if __name__ == '__main__':
    main()