title: How to check a SSL certificate expiration date with aiohttp?
body: <p>I know how to get certificate information such as expiration date using pyopenssl for instance, but is it possible to do it with a aiohttp <a href="http://aiohttp.readthedocs.io/en/stable/client_reference.html#response-object" rel="noreferrer">response object</a>?</p>