django4 support

Author: masb3

rest_framework_sso/authentication.py

@@ -3,7 +3,10 @@
 
 import jwt.exceptions
 from django.utils.encoding import smart_str
-from django.utils.translation import ugettext as _
+try:
+    from django.utils.translation import gettext_lazy as _
+except ImportError:
+    from django.utils.translation import ugettext as _
 from rest_framework import exceptions
 from rest_framework.authentication import BaseAuthentication, get_authorization_header