requests-html HTTPSConnectionPoolRead timed out

Question

Trying to send a request to here using requests-html.

Here is my code:

headers = {"User-agent":"Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/47.0.2526.80 Safari/537.36"}
session = HTMLSession()
while True:
   try:
       r = session.get("https://www.size.co.uk/product/white-fila-v94m-low/119095/",headers=headers,timeout=40)
       r.html.render()
       print(r.html.text)

   except Exception as e:
       print(e)

Here is the error I am receiving:

HTTPSConnectionPool(host='www.size.co.uk', port=443): Read timed out. (read timeout=40)

I thought setting the user agent would fix the problem, but I am still receiving the error? Increasing the timeout hasn't done the trick either