Revert "chore: fix mypy errs"

This reverts commit 8bd28f6.

a_sync/_meta.py

@@ -5,7 +5,7 @@
 from typing import Any, Dict, Tuple
 
 from a_sync import ENVIRONMENT_VARIABLES, _bound, modifiers
-from a_sync.future import _ASyncFutureWrappedFn  # type: ignore [attr-defined]
+from a_sync.future import _ASyncFutureWrappedFn
 from a_sync.modified import ASyncFunction, Modified
 from a_sync.property import PropertyDescriptor
 

a_sync/_typing.py

@@ -1,12 +1,12 @@
 
 import asyncio
-from _collections_abc import dict_keys, dict_values, dict_items
 from concurrent.futures._base import Executor
 from decimal import Decimal
 from typing import (TYPE_CHECKING, Any, AsyncIterable, AsyncIterator, Awaitable, 
                     Callable, DefaultDict, Deque, Dict, Generator, Generic,
-                    Iterable, Iterator, List, Literal, Optional, Protocol, Set, 
-                    Tuple, Type, TypedDict, TypeVar, Union, final, overload)
+                    ItemsView, Iterable, Iterator, KeysView, List, Literal,
+                    Optional, Protocol, Set, Tuple, Type, TypedDict, TypeVar,
+                    Union, ValuesView, final, overload)
 
 from typing_extensions import Concatenate, ParamSpec, Self, Unpack
 

a_sync/abstract.py

@@ -69,5 +69,5 @@ def __a_sync_flag_value__(self) -> bool:
         pass
 
     @abc.abstractclassmethod  # type: ignore [arg-type, misc]
-    def __a_sync_default_mode__(cls) -> bool:  # type: ignore [empty-body]
+    def __a_sync_default_mode__(cls) -> bool:
         pass

a_sync/modifiers/manager.py

@@ -70,11 +70,11 @@ def sync_modifier_wrap(*args: P.args, **kwargs: P.kwargs) -> T:
         return sync_modifier_wrap
 
     # Dictionary api
-    def items(self) -> dict_items[str, Any]:
+    def items(self) -> ItemsView[str, Any]:
         return self._modifiers.items()
-    def keys(self) -> dict_keys[str]:
+    def keys(self) -> KeysView[str]:
         return self._modifiers.keys()
-    def values(self) -> dict_values[Any]:
+    def values(self) -> ValuesView[Any]:
         return self._modifiers.values()
     def __contains__(self, key: str) -> bool:  # type: ignore [override]
         return key in self._modifiers