fix: mock on subclass __parameters__

src/gt4sd/algorithms/registry.py

@@ -28,7 +28,7 @@
 from dataclasses import dataclass as vanilla_dataclass
 from dataclasses import field, make_dataclass
 from functools import WRAPPER_ASSIGNMENTS, update_wrapper
-from typing import Any, Callable, ClassVar, Dict, List, NamedTuple, Optional, Type
+from typing import Any, Callable, ClassVar, Dict, List, NamedTuple, Optional, Type, TypeVar
 
 import pydantic
 
@@ -186,8 +186,7 @@ def decorator(
  ], # type: ignore
  )
  # NOTE: Needed to circumvent a pydantic TypeError: Parameter list to Generic[...] cannot be empty
- VanillaConfiguration.__pydantic_validator__ = True # type: ignore
-
+ VanillaConfiguration.__parameters__ = (TypeVar('T'),)
  # NOTE: Duplicate call necessary for pydantic >=1.10.* - see https://github.com/pydantic/pydantic/issues/4695
  PydanticConfiguration: Type[AlgorithmConfiguration] = dataclass( # type: ignore
  VanillaConfiguration