refactor: remove unnecessary ceildiv re-exports

Assisted-by: Codex:GPT-6

Author: d-v-b

src/zarr/core/array.py

@@ -74,7 +74,6 @@
     parse_shapelike,
     product,
 )
-from zarr.core.common import ceildiv as ceildiv  # noqa: PLC0414 - preserve the existing export
 from zarr.core.config import config as zarr_config
 from zarr.core.dtype import (
     Structured,

src/zarr/core/chunk_grids.py

@@ -28,7 +28,6 @@
     ceildiv_int,
     parse_shapelike,
 )
-from zarr.core.common import ceildiv as ceildiv  # noqa: PLC0414 - preserve the existing export
 from zarr.errors import ZarrUserWarning
 
 if TYPE_CHECKING:

src/zarr/core/indexing.py

@@ -22,7 +22,6 @@
 import numpy.typing as npt
 
 from zarr.core.chunk_grids import FixedDimension
-from zarr.core.common import ceildiv as ceildiv  # noqa: PLC0414 - preserve the existing export
 from zarr.core.common import ceildiv_int, product
 from zarr.core.metadata.v2 import ArrayV2Metadata
 from zarr.core.metadata.v3 import ArrayV3Metadata

tests/test_indexing.py

@@ -20,6 +20,7 @@
 from zarr import Array
 from zarr.core.buffer import default_buffer_prototype
 from zarr.core.chunk_grids import ChunkGrid
+from zarr.core.common import ceildiv_int
 from zarr.core.indexing import (
     BasicSelection,
     CoordinateIndexer,
@@ -31,7 +32,6 @@
     _ArrayIndexingOrder,
     _iter_grid,
     _iter_regions,
-    ceildiv,
     make_slice_selection,
     normalize_integer_selection,
     oindex,
@@ -2451,7 +2451,7 @@ def test_iter_regions(
         origin_parsed = origin
     if selection_shape is None:
         selection_shape_parsed = tuple(
-            ceildiv(ds, rs) - o
+            ceildiv_int(ds, rs) - o
             for ds, o, rs in zip(domain_shape, origin_parsed, region_shape, strict=True)
         )
     else: