AttributeError: module 'urllib3' has no attribute 'Request' code example

Example 1: error urllib request no attribute

import urllib.request

Example 2: AttributeError: module 'urllib' has no attribute 'URLopener'

import urllib.request

with urllib.request.urlopen("http://www.python.org") as url:
    s = url.read()
    # I'm guessing this would output the html source code ?
    print(s)