Sends multiple non-blocking requests. Returns
    a list of responses.

    :param urls:
        List of urls

def _async_requests(urls):
    """
    Sends multiple non-blocking requests. Returns
    a list of responses.

    :param urls:
        List of urls
    """
    session = FuturesSession(max_workers=30)
    futures = [
        session.get(url)
        for url in urls
    ]
    return [ future.result() for future in futures ]