remove extraneous casts

.gitignore

@@ -394,6 +394,8 @@ dmypy.json
 # Pyre type checker
 .pyre/
 
+# Visual Studio Code
+.vscode/
 
 # Mac stuff
 .DS_Store

src/stream_ml/core/params/_collection.py

@@ -7,7 +7,7 @@
 from collections.abc import Iterable, Mapping
 from dataclasses import replace
 from itertools import chain
-from typing import TYPE_CHECKING, Any, cast, overload
+from typing import TYPE_CHECKING, Any, overload
 
 from stream_ml.core.params._core import ModelParameter
 from stream_ml.core.setup_package import PACK_PARAM_JOIN
@@ -78,7 +78,6 @@ def __getitem__(
         elif len(key) == 1:
             value = self._dict[key[0]]
         elif len(key) == LEN_NAME_TUPLE:
-            key = cast("tuple[str, str]", key)  # TODO: remove cast
             cm = self._dict[key[0]]
             if not isinstance(cm, Mapping):
                 raise KeyError(str(key))

src/stream_ml/core/params/_values.py

@@ -6,7 +6,7 @@
 
 from collections.abc import Iterable, Mapping
 import itertools
-from typing import TYPE_CHECKING, TypeVar, cast, overload
+from typing import TYPE_CHECKING, TypeVar, overload
 
 from stream_ml.core.setup_package import PACK_PARAM_JOIN
 from stream_ml.core.utils.frozen_dict import FrozenDict
@@ -60,7 +60,6 @@ def __getitem__(self, key: ParamNameAllOpts) -> V | FrozenDict[str, V]:
         elif len(key) == 1:
             value = self._dict[key[0]]
         elif len(key) == LEN_NAME_TUPLE:
-            key = cast("tuple[str, str]", key)  # TODO: remove cast
             cm = self._dict[key[0]]
             if not isinstance(cm, Mapping):
                 raise KeyError(str(key))
@@ -211,7 +210,6 @@ def _set_param_dict(
     elif len(key) == 1:
         m[key[0]] = value
     else:
-        key = cast("tuple[str, str]", key)  # TODO: remove cast
         if key[0] not in m:
             m[key[0]] = {}
         if not isinstance((cm := m[key[0]]), dict):