🐛 dataclasses don't have model_dump

client/ayon_core/pipeline/traits/representation.py

@@ -391,7 +391,7 @@ class Representation(Generic[T]):  # noqa: PLR0904
 
         """
         return {
-            trait_id: trait.model_dump()
+            trait_id: trait.as_dict()
             for trait_id, trait in self._data.items()
             if trait and trait_id
         }
@@ -593,10 +593,6 @@ class Representation(Generic[T]):  # noqa: PLR0904
                 )
                 raise IncompatibleTraitVersionError(msg) from e
 
-            if requested_version is None:
-                trait_class = e.found_trait
-                requested_version = found_version
-
             if found_version is None:
                 msg = (
                     f"Trait {e.found_trait.id} found with no version, "
@@ -604,6 +600,10 @@ class Representation(Generic[T]):  # noqa: PLR0904
                 )
                 raise IncompatibleTraitVersionError(msg) from e
 
+            if requested_version is None:
+                trait_class = e.found_trait
+                requested_version = found_version
+
             if requested_version > found_version:
                 error_msg = (
                     f"Requested trait version {requested_version} is "

client/ayon_core/pipeline/traits/trait.py

@@ -3,7 +3,7 @@ from __future__ import annotations
 
 import re
 from abc import ABC, abstractmethod
-from dataclasses import dataclass
+from dataclasses import asdict, dataclass
 from typing import TYPE_CHECKING, Generic, Optional, TypeVar
 
 if TYPE_CHECKING:
@@ -79,6 +79,15 @@ class TraitBase(ABC):
         """
         return re.sub(r"\.v\d+$", "", str(cls.id))
 
+    def as_dict(self) -> dict:
+        """Return trait as dictionary.
+
+        Returns:
+            dict: Trait as dictionary.
+
+        """
+        return asdict(self)
+
 
 class IncompatibleTraitVersionError(Exception):
     """Incompatible trait version exception.