Fix typing errors.

Author: RFLeijenaar

src/zarr/core/array.py

@@ -4588,6 +4588,7 @@ async def init_array(
             order_parsed = zarr_config.get("array.order")
         else:
             order_parsed = order
+        chunk_key_encoding_parsed = cast("V2ChunkKeyEncoding", chunk_key_encoding_parsed)
 
         meta = AsyncArray._create_metadata_v2(
             shape=shape_parsed,

src/zarr/core/chunk_key_encodings.py

@@ -41,7 +41,7 @@ class ChunkKeyEncoding(ABC, Metadata):
     @classmethod
     def from_dict(cls, data: dict[str, JSON]) -> Self:
         _, config_parsed = parse_named_configuration(data, require_configuration=False)
-        return cls(**config_parsed if config_parsed else {})  # type: ignore[arg-type]
+        return cls(**config_parsed if config_parsed else {})
 
     def to_dict(self) -> dict[str, JSON]:
         return {"name": self.name, "configuration": super().to_dict()}

tests/conftest.py

@@ -5,7 +5,7 @@
 import pathlib
 from collections.abc import Mapping, Sequence
 from dataclasses import dataclass, field
-from typing import TYPE_CHECKING
+from typing import TYPE_CHECKING, cast
 
 import numpy as np
 import numpy.typing as npt
@@ -50,6 +50,7 @@
     from zarr.core.chunk_key_encodings import (
         ChunkKeyEncoding,
         ChunkKeyEncodingLike,
+        V2ChunkKeyEncoding,
     )
     from zarr.core.dtype.wrapper import ZDType
 
@@ -316,6 +317,7 @@ def create_array_metadata(
         filters_parsed, compressor_parsed = _parse_chunk_encoding_v2(
             compressor=compressors, filters=filters, dtype=dtype_parsed
         )
+        chunk_key_encoding_parsed = cast("V2ChunkKeyEncoding", chunk_key_encoding_parsed)
         return ArrayV2Metadata(
             shape=shape_parsed,
             dtype=dtype_parsed,