diff --git a/client/ayon_core/tools/common_models/__init__.py b/client/ayon_core/tools/common_models/__init__.py
index f09edfeab2..40394c4732 100644
--- a/client/ayon_core/tools/common_models/__init__.py
+++ b/client/ayon_core/tools/common_models/__init__.py
@@ -2,6 +2,8 @@
 
 from .cache import CacheItem, NestedCacheItem
 from .projects import (
+    StatusItem,
+    StatusStates,
     ProjectItem,
     ProjectsModel,
     PROJECTS_MODEL_SENDER,
@@ -21,6 +23,8 @@ __all__ = (
     "CacheItem",
     "NestedCacheItem",
 
+    "StatusItem",
+    "StatusStates",
     "ProjectItem",
     "ProjectsModel",
     "PROJECTS_MODEL_SENDER",
diff --git a/client/ayon_core/tools/common_models/projects.py b/client/ayon_core/tools/common_models/projects.py
index 4e8925388d..1c455a9619 100644
--- a/client/ayon_core/tools/common_models/projects.py
+++ b/client/ayon_core/tools/common_models/projects.py
@@ -1,8 +1,7 @@
 import contextlib
-from abc import ABCMeta, abstractmethod
+from abc import ABC, abstractmethod
 
 import ayon_api
-import six
 
 from ayon_core.style import get_default_entity_icon_color
 from ayon_core.lib import CacheItem, NestedCacheItem
@@ -10,8 +9,7 @@ from ayon_core.lib import CacheItem, NestedCacheItem
 PROJECTS_MODEL_SENDER = "projects.model"
 
 
-@six.add_metaclass(ABCMeta)
-class AbstractHierarchyController:
+class AbstractHierarchyController(ABC):
     @abstractmethod
     def emit_event(self, topic, data, source):
         pass