Import sudo function from correct module

python/nav/web/useradmin/views.py

@@ -31,7 +31,7 @@
 from nav.models.manage import Organization
 from nav.models.api import APIToken
 
-from nav.web.auth import sudo
+from nav.web.auth.sudo import sudo
 from nav.web.useradmin import forms
 
 
@@ -396,7 +396,6 @@ def group_detail(request, group_id=None):
     privilege_form = forms.PrivilegeForm()
 
     if request.method == 'POST':
-
         if 'submit_group' in request.POST:
             group_form = forms.AccountGroupForm(request.POST, instance=group)
 

tests/integration/web/useradmin_test.py

@@ -0,0 +1,15 @@
+from django.urls import reverse
+
+
+def test_operate_as_this_user_should_not_crash(db, client, admin_account):
+    url = reverse('useradmin-account_detail', args=(admin_account.pk,))
+    response = client.post(
+        url,
+        follow=True,
+        data={
+            "account": admin_account.pk,
+            "submit_sudo": "Operate+as+this+user",
+        },
+    )
+
+    assert response.status_code == 200