Use direct import of ConfigDict instead of conditionally exporting it from _compat

Author: arareko

aredis_om/_compat.py

@@ -25,7 +25,7 @@
     def use_pydantic_2_plus():
         return True
 
-    from pydantic import BaseModel, ConfigDict, TypeAdapter
+    from pydantic import BaseModel, TypeAdapter
     from pydantic import ValidationError as ValidationError
     from pydantic import validator
     from pydantic._internal._model_construction import ModelMetaclass

aredis_om/model/model.py

@@ -11,6 +11,7 @@
     AbstractSet,
     Any,
     Callable,
+    ClassVar,
     Dict,
     List,
     Mapping,
@@ -32,7 +33,7 @@
 from ulid import ULID
 
 from .. import redis
-from .._compat import PYDANTIC_V2, BaseModel, ConfigDict
+from .._compat import PYDANTIC_V2, BaseModel
 from .._compat import FieldInfo as PydanticFieldInfo
 from .._compat import (
     ModelField,
@@ -1419,10 +1420,13 @@ def outer_type_or_annotation(field):
 
 class RedisModel(BaseModel, abc.ABC, metaclass=ModelMeta):
     pk: Optional[str] = Field(default=None, primary_key=True)
+    ConfigDict: ClassVar
 
     Meta = DefaultMeta
 
     if PYDANTIC_V2:
+        from pydantic import ConfigDict
+
         model_config = ConfigDict(
             from_attributes=True, arbitrary_types_allowed=True, extra="allow"
         )