Crawlera not working with python requests.

 It's not showing any results. 

import requests

px = {
    "http":"http://e68fea400c7049198583eb226508a30d:@proxy.crawlera.com:8010/",
    "https":"https://e68fea400c7049198583eb226508a30d:@proxy.crawlera.com:8010/"
}

url = "https://api.ipify.org/"

response = requests.request("GET", url, proxies=px, verify="crawlera-ca.crt")

print(response.text) 

 Sample execution: