diff --git a/openpype/pipeline/lib/__init__.py b/openpype/pipeline/lib/__init__.py
index f706ac0267..c1f8d14f33 100644
--- a/openpype/pipeline/lib/__init__.py
+++ b/openpype/pipeline/lib/__init__.py
@@ -1,7 +1,4 @@
 from .attribute_definitions import (
-    InvalidValueError,
-    InvalidValueTypeError,
-
     AbtractAttrDef,
     NumberDef,
     TextDef,
@@ -11,9 +8,6 @@ from .attribute_definitions import (
 
 
 __all__ = (
-    "InvalidValueError",
-    "InvalidValueTypeError",
-
     "AbtractAttrDef",
     "NumberDef",
     "TextDef",
diff --git a/openpype/pipeline/lib/attribute_definitions.py b/openpype/pipeline/lib/attribute_definitions.py
index 55b4445f11..62b5dd3b47 100644
--- a/openpype/pipeline/lib/attribute_definitions.py
+++ b/openpype/pipeline/lib/attribute_definitions.py
@@ -46,7 +46,6 @@ class AbtractAttrDef:
 
         self.__init__class__ = AbtractAttrDef
 
-
     @abstractmethod
     def convert_value(self, value):
         """Convert value to a valid one.