[SOLVED] Urlopen() proxies keyword doesn't exist?

When I use the code below, it returns the following error:

import urllib.request
print(urllib.request.urlopen(input(), proxies={
    "http": "37.26.86.206",
    "https": "37.26.86.206"
}))

returns

Traceback (most recent call last):
  File "[path]", line 2, in <module>
    print(urllib.request.urlopen(input(), proxies={
TypeError: urlopen() got an unexpected keyword argument 'proxies'

However, this was used in multiple answers here. Is this method just outdated, or is there a flaw in my code? Note: All code is included here.