chore: Replace all | in typehints with typing.Union

skore/src/skore/externals/_sklearn_compat.py

@@ -18,7 +18,7 @@
 import sys
 import types
 from dataclasses import dataclass, field
-from typing import Callable, Literal
+from typing import Callable, Literal, Union
 
 import sklearn
 from sklearn.utils.fixes import parse_version
@@ -775,11 +775,11 @@ class Tags:
             The input data(X) tags.
         """
 
-        estimator_type: str | None
+        estimator_type: Union[str, None]
         target_tags: TargetTags
-        transformer_tags: TransformerTags | None = None
-        classifier_tags: ClassifierTags | None = None
-        regressor_tags: RegressorTags | None = None
+        transformer_tags: Union[TransformerTags, None] = None
+        classifier_tags: Union[ClassifierTags, None] = None
+        regressor_tags: Union[RegressorTags, None] = None
         array_api_support: bool = False
         no_validation: bool = False
         non_deterministic: bool = False
@@ -808,10 +808,10 @@ def check_estimator(
         generate_only=False,
         *,
         legacy: bool = True,
-        expected_failed_checks: dict[str, str] | None = None,
-        on_skip: Literal["warn"] | None = "warn",
-        on_fail: Literal["raise", "warn"] | None = "raise",
-        callback: Callable | None = None,
+        expected_failed_checks: Union[dict[str, str], None] = None,
+        on_skip: Union[Literal["warn"], None] = "warn",
+        on_fail: Union[Literal["raise", "warn"], None] = "raise",
+        callback: Union[Callable, None] = None,
     ):
         # legacy, on_skip, on_fail, and callback are not supported and ignored
         from sklearn.utils.estimator_checks import check_estimator
@@ -825,7 +825,7 @@ def parametrize_with_checks(
         estimators,
         *,
         legacy: bool = True,
-        expected_failed_checks: Callable | None = None,
+        expected_failed_checks: Union[Callable, None] = None,
     ):
         # legacy is not supported and ignored
         from sklearn.utils.estimator_checks import parametrize_with_checks

skore/src/skore/item/cross_validation_item.py

@@ -14,7 +14,7 @@
 import re
 import statistics
 from functools import cached_property
-from typing import TYPE_CHECKING, Any, Literal, TypedDict
+from typing import TYPE_CHECKING, Any, Literal, TypedDict, Union
 
 import numpy
 import plotly.graph_objects
@@ -136,12 +136,12 @@ def __init__(
         cv_results_serialized: dict,
         estimator_info: EstimatorInfo,
         X_info: dict,
-        y_info: dict | None,
+        y_info: Union[dict, None],
         plots_bytes: dict[str, bytes],
         cv_info: dict,
-        created_at: str | None = None,
-        updated_at: str | None = None,
-        note: str | None = None,
+        created_at: Union[str, None] = None,
+        updated_at: Union[str, None] = None,
+        note: Union[str, None] = None,
     ):
         """
         Initialize a CrossValidationItem.
@@ -167,7 +167,7 @@ def __init__(
             The creation timestamp in ISO format.
         updated_at : str
             The last update timestamp in ISO format.
-        note : str | None
+        note : Union[str, None]
             An optional note.
         """
         super().__init__(created_at, updated_at, note)

skore/src/skore/item/item.py

@@ -30,11 +30,11 @@ class Item(ABC):
 
     Parameters
     ----------
-    created_at : str | None, optional
+    created_at : Union[str, None], optional
         The creation timestamp of the item. If None, the current time is used.
-    updated_at : str | None, optional
+    updated_at : Union[str, None], optional
         The last update timestamp of the item. If None, the current time is used.
-    note : str | None
+    note : Union[str, None]
         An optional note.
 
     Attributes
@@ -43,7 +43,7 @@ class Item(ABC):
         The creation timestamp of the item.
     updated_at : str
         The last update timestamp of the item.
-    note : str | None
+    note : Union[str, None]
         An optional note.
     """
 

skore/src/skore/item/item_repository.py

@@ -184,7 +184,7 @@ def set_item_note(self, key: str, message: str, *, version=-1):
         except IndexError as e:
             raise KeyError((key, version)) from e
 
-    def get_item_note(self, key: str, *, version=-1) -> str | None:
+    def get_item_note(self, key: str, *, version=-1) -> Union[str, None]:
         """Retrieve a note previously attached to key ``key``.
 
         Parameters

skore/src/skore/item/media_item.py

@@ -7,7 +7,7 @@
 
 import base64
 from io import BytesIO
-from typing import TYPE_CHECKING, Any
+from typing import TYPE_CHECKING, Any, Union
 
 from skore.item.item import Item, ItemTypeError
 
@@ -37,9 +37,9 @@ def __init__(
         media_bytes: bytes,
         media_encoding: str,
         media_type: str,
-        created_at: str | None = None,
-        updated_at: str | None = None,
-        note: str | None = None,
+        created_at: Union[str, None] = None,
+        updated_at: Union[str, None] = None,
+        note: Union[str, None] = None,
     ):
         """
         Initialize a MediaItem.
@@ -56,7 +56,7 @@ def __init__(
             The creation timestamp in ISO format.
         updated_at : str, optional
             The last update timestamp in ISO format.
-        note : str | None
+        note : Union[str, None]
             An optional note.
         """
         super().__init__(created_at, updated_at, note)

skore/src/skore/item/numpy_array_item.py

@@ -7,7 +7,7 @@
 
 from functools import cached_property
 from json import dumps, loads
-from typing import TYPE_CHECKING
+from typing import TYPE_CHECKING, Union
 
 from skore.item.item import Item, ItemTypeError
 
@@ -25,9 +25,9 @@ class NumpyArrayItem(Item):
     def __init__(
         self,
         array_json: str,
-        created_at: str | None = None,
-        updated_at: str | None = None,
-        note: str | None = None,
+        created_at: Union[str, None] = None,
+        updated_at: Union[str, None] = None,
+        note: Union[str, None] = None,
     ):
         """
         Initialize a NumpyArrayItem.
@@ -40,7 +40,7 @@ def __init__(
             The creation timestamp in ISO format.
         updated_at : str
             The last update timestamp in ISO format.
-        note : str | None
+        note : Union[str, None]
             An optional note.
         """
         super().__init__(created_at, updated_at, note)

skore/src/skore/item/pandas_dataframe_item.py

@@ -7,7 +7,7 @@
 from __future__ import annotations
 
 from functools import cached_property
-from typing import TYPE_CHECKING
+from typing import TYPE_CHECKING, Union
 
 from skore.item.item import Item, ItemTypeError
 
@@ -29,9 +29,9 @@ def __init__(
         self,
         index_json: str,
         dataframe_json: str,
-        created_at: str | None = None,
-        updated_at: str | None = None,
-        note: str | None = None,
+        created_at: Union[str, None] = None,
+        updated_at: Union[str, None] = None,
+        note: Union[str, None] = None,
     ):
         """
         Initialize a PandasDataFrameItem.
@@ -46,7 +46,7 @@ def __init__(
             The creation timestamp in ISO format.
         updated_at : str
             The last update timestamp in ISO format.
-        note : str | None
+        note : Union[str, None]
             An optional note.
         """
         super().__init__(created_at, updated_at, note)

skore/src/skore/item/pandas_series_item.py

@@ -7,7 +7,7 @@
 from __future__ import annotations
 
 from functools import cached_property
-from typing import TYPE_CHECKING
+from typing import TYPE_CHECKING, Union
 
 from skore.item.item import Item, ItemTypeError
 
@@ -29,9 +29,9 @@ def __init__(
         self,
         index_json: str,
         series_json: str,
-        created_at: str | None = None,
-        updated_at: str | None = None,
-        note: str | None = None,
+        created_at: Union[str, None] = None,
+        updated_at: Union[str, None] = None,
+        note: Union[str, None] = None,
     ):
         """
         Initialize a PandasSeriesItem.
@@ -46,7 +46,7 @@ def __init__(
             The creation timestamp in ISO format.
         updated_at : str
             The last update timestamp in ISO format.
-        note : str | None
+        note : Union[str, None]
             An optional note.
         """
         super().__init__(created_at, updated_at, note)

skore/src/skore/item/polars_dataframe_item.py

@@ -7,7 +7,7 @@
 from __future__ import annotations
 
 from functools import cached_property
-from typing import TYPE_CHECKING
+from typing import TYPE_CHECKING, Union
 
 from skore.item.item import Item, ItemTypeError
 
@@ -30,9 +30,9 @@ class PolarsDataFrameItem(Item):
     def __init__(
         self,
         dataframe_json: str,
-        created_at: str | None = None,
-        updated_at: str | None = None,
-        note: str | None = None,
+        created_at: Union[str, None] = None,
+        updated_at: Union[str, None] = None,
+        note: Union[str, None] = None,
     ):
         """
         Initialize a PolarsDataFrameItem.
@@ -45,7 +45,7 @@ def __init__(
             The creation timestamp in ISO format.
         updated_at : str
             The last update timestamp in ISO format.
-        note : str | None
+        note : Union[str, None]
             An optional note.
         """
         super().__init__(created_at, updated_at, note)

skore/src/skore/item/polars_series_item.py

@@ -7,7 +7,7 @@
 from __future__ import annotations
 
 from functools import cached_property
-from typing import TYPE_CHECKING
+from typing import TYPE_CHECKING, Union
 
 from skore.item.item import Item, ItemTypeError
 
@@ -26,9 +26,9 @@ class PolarsSeriesItem(Item):
     def __init__(
         self,
         series_json: str,
-        created_at: str | None = None,
-        updated_at: str | None = None,
-        note: str | None = None,
+        created_at: Union[str, None] = None,
+        updated_at: Union[str, None] = None,
+        note: Union[str, None] = None,
     ):
         """
         Initialize a PolarsSeriesItem.
@@ -41,7 +41,7 @@ def __init__(
             The creation timestamp in ISO format.
         updated_at : str
             The last update timestamp in ISO format.
-        note : str | None
+        note : Union[str, None]
             An optional note.
         """
         super().__init__(created_at, updated_at, note)

skore/src/skore/item/primitive_item.py

@@ -19,7 +19,7 @@
         str,
         list["Primitive"],
         tuple["Primitive"],
-        dict[str | int | float, "Primitive"],
+        dict[Union[str, int, float], "Primitive"],
     ]
 
 
@@ -48,9 +48,9 @@ class PrimitiveItem(Item):
     def __init__(
         self,
         primitive: Primitive,
-        created_at: str | None = None,
-        updated_at: str | None = None,
-        note: str | None = None,
+        created_at: Union[str, None] = None,
+        updated_at: Union[str, None] = None,
+        note: Union[str, None] = None,
     ):
         """
         Initialize a PrimitiveItem.
@@ -63,7 +63,7 @@ def __init__(
             The creation timestamp as ISO format.
         updated_at : str, optional
             The last update timestamp as ISO format.
-        note : str | None
+        note : Union[str, None]
             An optional note.
         """
         super().__init__(created_at, updated_at, note)

skore/src/skore/item/sklearn_base_estimator_item.py

@@ -7,7 +7,7 @@
 from __future__ import annotations
 
 from functools import cached_property
-from typing import TYPE_CHECKING
+from typing import TYPE_CHECKING, Union
 
 from skore.item.item import Item, ItemTypeError
 
@@ -28,9 +28,9 @@ def __init__(
         estimator_html_repr: str,
         estimator_skops: bytes,
         estimator_skops_untrusted_types: list[str],
-        created_at: str | None = None,
-        updated_at: str | None = None,
-        note: str | None = None,
+        created_at: Union[str, None] = None,
+        updated_at: Union[str, None] = None,
+        note: Union[str, None] = None,
     ):
         """
         Initialize a SklearnBaseEstimatorItem.
@@ -47,7 +47,7 @@ def __init__(
             The creation timestamp in ISO format.
         updated_at : str, optional
             The last update timestamp in ISO format.
-        note : str | None
+        note : Union[str, None]
             An optional note.
         """
         super().__init__(created_at, updated_at, note)