change menuitem inherit class.

djangocms_navigation/admin.py

@@ -27,8 +27,6 @@
 from djangocms_versioning.models import Version
 from treebeard.admin import TreeAdmin
 
-from cms.admin.utils import ChangeListActionsMixin
-
 from .compat import TREEBEARD_4_5
 from .conf import TREE_MAX_RESULT_PER_PAGE_COUNT
 from .filters import LanguageFilter
@@ -41,12 +39,16 @@
 from .compat import CMS_41
 
 
+menuitem_admin_class = [TreeAdmin]
+
 try:
     if CMS_41:
+        from cms.admin.utils import ChangeListActionsMixin
         from djangocms_versioning.helpers import (
             content_is_unlocked_for_user,
             version_is_locked,
         )
+        menuitem_admin_class.insert(0, ChangeListActionsMixin)
     else:
         from djangocms_version_locking.helpers import (
             content_is_unlocked_for_user,
@@ -55,8 +57,7 @@
 
     using_version_lock = True
     LOCK_MESSAGE = _(
-        "The item is currently locked or you don't "
-        "have permission to change it"
+        "The item is currently locked or you don't have permission to change it"
     )
 except ImportError:
     using_version_lock = False
@@ -276,7 +277,7 @@ def get_menuitem_link(self, obj):
 
 
 @admin.register(MenuItem)
-class MenuItemAdmin(ChangeListActionsMixin, TreeAdmin):
+class MenuItemAdmin(*menuitem_admin_class):
     form = MenuItemForm
     menu_content_model = MenuContent
     menu_model = Menu