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Fix typing errors #847

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Merged
maxrjones merged 4 commits into from
Jan 5, 2026
Merged

Fix typing errors #847

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9234952
Fix typing errors
maxrjones Jan 5, 2026
50647ba
Merge branch 'main' into fix-typing-error
maxrjones Jan 5, 2026
b9973bb
Update virtualizarr/manifests/array.py
maxrjones Jan 5, 2026
c3c49f0
[pre-commit.ci] auto fixes from pre-commit.com hooks
pre-commit-ci[bot] Jan 5, 2026
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2 changes: 1 addition & 1 deletion virtualizarr/manifests/array.py
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Original file line number Diff line number Diff line change
Expand Up @@ -148,7 +148,7 @@ def __array_ufunc__(self, ufunc, method, *inputs, **kwargs) -> Any:
return _isnan(self.shape)
return NotImplemented

def __array__(self, dtype: np.typing.DTypeLike = None) -> np.ndarray:
def __array__(self, dtype: None = None) -> np.ndarray:
raise NotImplementedError(
"ManifestArrays can't be converted into numpy arrays or pandas Index objects"
)
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11 changes: 8 additions & 3 deletions virtualizarr/manifests/array_api.py
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Expand Up @@ -97,9 +97,14 @@ def concatenate(
new_shape[axis] = new_length_along_concat_axis

# do concatenation of entries in manifest
concatenated_paths = np.concatenate(
[arr.manifest._paths for arr in arrays],
axis=axis,
concatenated_paths = (
cast( # `np.concatenate` is type hinted as if the output could have Any dtype
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@TomNicholas TomNicholas Jan 5, 2026

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I presume this is because of numpy's type promotion rules.

np.ndarray[Any, np.dtypes.StringDType],
np.concatenate(
[arr.manifest._paths for arr in arrays],
axis=axis,
),
)
)
concatenated_offsets = np.concatenate(
[arr.manifest._offsets for arr in arrays],
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