Refs #23919 -- Removed misc references to Python 2.

django/forms/utils.py

@@ -1,5 +1,6 @@
 import json
 import sys
+from collections import UserList
 
 from django.conf import settings
 from django.core.exceptions import ValidationError  # backwards compatibility
@@ -8,11 +9,6 @@ from django.utils.encoding import force_text
 from django.utils.html import escape, format_html, format_html_join, html_safe
 from django.utils.translation import ugettext_lazy as _
 
-try:
-    from collections import UserList
-except ImportError:  # Python 2
-    from UserList import UserList
-
 
 def pretty_name(name):
     """Converts 'first_name' to 'First name'"""