Assume jupyterhub >= 2.2

oauthenticator/generic.py

@@ -157,13 +157,11 @@ async def update_auth_model(self, auth_model):
 
         Also populates groups if `manage_groups` is set.
         """
-        # Authenticator.manage_groups is new in jupyterhub 2.2
-        manage_groups = getattr(self, "manage_groups", False)
-        if manage_groups or self.admin_groups:
+        if self.manage_groups or self.admin_groups:
             user_info = auth_model["auth_state"][self.user_auth_state_key]
             user_groups = self.get_user_groups(user_info)
 
-        if manage_groups:
+        if self.manage_groups:
             auth_model["groups"] = sorted(user_groups)
 
         if auth_model["admin"]:

oauthenticator/tests/test_generic.py

@@ -1,7 +1,6 @@
 import json
 from functools import partial
 
-import pytest
 from pytest import fixture, mark
 from traitlets.config import Config
 
@@ -178,11 +177,7 @@ async def test_generic(
     authenticator = get_authenticator(config=c)
     manage_groups = False
     if "manage_groups" in class_config:
-        try:
-            manage_groups = authenticator.manage_groups
-        except AttributeError:
-            pytest.skip("manage_groups requires jupyterhub 2.2")
-            1 / 0
+        manage_groups = authenticator.manage_groups
 
     handled_user_model = user_model("user1")
     handler = generic_client.handler_for_user(handled_user_model)