fix some enum errors

src/kfactory/kcell.py

@@ -18,7 +18,7 @@
 import types
 from collections import UserDict
 from collections.abc import Callable, Hashable, Iterable, Iterator
-from enum import IntEnum, IntFlag
+from enum import IntEnum, IntFlag, auto
 from hashlib import sha3_512
 from pathlib import Path
 from tempfile import gettempdir
@@ -27,7 +27,7 @@
 import cachetools.func
 import numpy as np
 import ruamel.yaml
-from aenum import Enum, auto, constant  # type: ignore[import]
+from aenum import Enum, constant  # type: ignore[import]
 from pydantic import BaseModel, Field, computed_field, model_validator
 from pydantic_settings import BaseSettings
 from typing_extensions import ParamSpec
@@ -1864,12 +1864,13 @@ def layerenum_from_dict(
         kcl = _get_default_kcl()
 
     def update_namespace(ns: dict[str, Any]) -> None:
+        ns.update({"kcl": constant(kcl)})
         ns.update(layers)
 
     return types.new_class(
         name=name,
         bases=(LayerEnum,),
-        kwds={"kcl": kcl},
+        kwds={},
         exec_body=update_namespace,
     )
 

tests/conftest.py

@@ -5,7 +5,8 @@
 # kf.config.logfilter.level = "ERROR"
 
 
-class LAYER_CLASS(kf.LayerEnum, kcl=kf.kcl):
+class LAYER_CLASS(kf.LayerEnum):
+    kcl = kf.constant(kf.kcl)
     WG = (1, 0)
     WGCLAD = (111, 0)
     WGEXCLUDE = (1, 1)