typing fixup

Author: TomAugspurger

src/zarr/core/attributes.py

@@ -1,6 +1,6 @@
 from __future__ import annotations
 
-from collections.abc import Mapping, MutableMapping
+from collections.abc import MutableMapping
 from typing import TYPE_CHECKING
 
 from zarr.core.common import JSON
@@ -36,7 +36,7 @@ def __iter__(self) -> Iterator[str]:
     def __len__(self) -> int:
         return len(self._obj.metadata.attributes)
 
-    def put(self, d: Mapping[str, JSON]) -> None:
+    def put(self, d: dict[str, JSON]) -> None:
         """
         Overwrite all attributes with the values from `d`.