microsoft · Avasam · May 15, 2025 · May 16, 2025
diff --git a/pyproject.toml b/pyproject.toml
@@ -77,14 +77,10 @@ ignore = [
     "PYI014",
     "PYI053",
 
-    # TODO: Fixing these would change which symbols are even visible for Pylance.
-    # Which may negatively affect users, especially if the symbol wasn't meant to be re-exported.
-    # Manually evaluate each violation.
-    "F401",
-
     # TODO: Investigate and fix or configure
     "PYI051", # Request for autofix: https://github.com/astral-sh/ruff/issues/14185
 ]
+
 [tool.ruff.lint.per-file-ignores]
 "*.pyi" = [
     ###
@@ -100,6 +96,13 @@ ignore = [
 # We keep docstrings in sklearn
 "stubs/sklearn/**" = ["PYI021"]
 
+# TODO: For public modules, manually evaluate each violation.
+# Removing unused imports change which symbols are even visible for Pylance.
+# Which may negatively affect users, especially if the symbol wasn't meant to be re-exported.
+# We do assume no public re-exports were meant from private modules
+"!_*.pyi" = ["F401"]
+"__init__.pyi" = ["F401"]
+
 [tool.ruff.lint.isort]
 combine-as-imports = true
 extra-standard-library = [

diff --git a/stubs/matplotlib/_afm.pyi b/stubs/matplotlib/_afm.pyi
@@ -1,5 +1,3 @@
-import numpy as np
-
 from ._typing import *
 
 CharMetrics = ...

diff --git a/stubs/matplotlib/_mathtext.pyi b/stubs/matplotlib/_mathtext.pyi
@@ -1,6 +1,5 @@
 import enum
 import functools
-from sre_parse import State
 from tkinter.tix import HList
 from typing import Literal
 

diff --git a/stubs/matplotlib/axes/_axes.pyi b/stubs/matplotlib/axes/_axes.pyi
@@ -1,6 +1,5 @@
 import datetime
 from collections.abc import Sequence
-from re import L
 from typing import Callable, Literal, overload
 
 import matplotlib.tri as mtri

diff --git a/stubs/matplotlib/axes/_secondary_axes.pyi b/stubs/matplotlib/axes/_secondary_axes.pyi
@@ -1,6 +1,5 @@
 from typing import Callable, Literal
 
-import numpy as np
 from matplotlib._typing import *
 from matplotlib.axes._base import _AxesBase
 from matplotlib.transforms import Transform

diff --git a/stubs/skimage/_shared/_dependency_checks.pyi b/stubs/skimage/_shared/_dependency_checks.pyi
@@ -1,3 +1 @@
-from .version_requirements import is_installed
-
 has_mpl = ...
diff --git a/stubs/skimage/_shared/_geometry.pyi b/stubs/skimage/_shared/_geometry.pyi
@@ -1,7 +1,5 @@
 __all__ = ["polygon_clip", "polygon_area"]
 
-import numpy as np
-
 from .version_requirements import require
 
 @require("matplotlib", ">=3.0.3")

diff --git a/stubs/skimage/_shared/_tempfile.pyi b/stubs/skimage/_shared/_tempfile.pyi
@@ -1,6 +1,4 @@
-import os
 from contextlib import contextmanager
-from tempfile import NamedTemporaryFile
 
 @contextmanager
 def temporary_file(suffix: str = ""): ...
diff --git a/stubs/skimage/_shared/_warnings.pyi b/stubs/skimage/_shared/_warnings.pyi
@@ -1,8 +1,3 @@
-import functools
-import os
-import re
-import sys
-import warnings
 from contextlib import contextmanager
 
 __all__ = ["all_warnings", "expected_warnings", "warn"]

diff --git a/stubs/skimage/data/_binary_blobs.pyi b/stubs/skimage/data/_binary_blobs.pyi
@@ -1,8 +1,5 @@
-import numpy as np
 from numpy.typing import NDArray
 
-from .._shared.filters import gaussian
-
 def binary_blobs(
     length: int = 512,
     blob_size_fraction: float = 0.1,

diff --git a/stubs/skimage/data/_fetchers.pyi b/stubs/skimage/data/_fetchers.pyi
@@ -1,14 +1,5 @@
-import os
-import os.path as osp
-import shutil
 from os import PathLike
 
-import numpy as np
-from packaging import version
-
-from .. import __version__
-from ._registry import legacy_registry, registry, registry_urls
-
 legacy_data_dir = ...
 skimage_distribution_dir = ...
 

diff --git a/stubs/skimage/draw/_polygon2mask.pyi b/stubs/skimage/draw/_polygon2mask.pyi
@@ -1,5 +1 @@
-import numpy as np
-
-from . import draw
-
 def polygon2mask(image_shape, polygon): ...
diff --git a/stubs/skimage/draw/_random_shapes.pyi b/stubs/skimage/draw/_random_shapes.pyi
@@ -1,9 +1,4 @@
-import math
-
-import numpy as np
-
-from .._shared.utils import deprecate_multichannel_kwarg, warn
-from . import disk as draw_disk, ellipse as draw_ellipse, polygon as draw_polygon
+from .._shared.utils import deprecate_multichannel_kwarg
 
 def _generate_rectangle_mask(point, image, shape, random): ...
 def _generate_circle_mask(point, image, shape, random): ...

diff --git a/stubs/skimage/feature/_basic_features.pyi b/stubs/skimage/feature/_basic_features.pyi
@@ -1,8 +1,3 @@
-import itertools
-from concurrent.futures import ThreadPoolExecutor
-from itertools import combinations_with_replacement
-
-import numpy as np
 from numpy.typing import NDArray
 
 from .._shared import utils

diff --git a/stubs/skimage/feature/_canny.pyi b/stubs/skimage/feature/_canny.pyi
@@ -1,9 +1,3 @@
-import numpy as np
-import scipy.ndimage as ndi
-
-from .._shared.filters import gaussian
-from .._shared.utils import check_nD
-
 def _preprocess(image, mask, sigma, mode, cval): ...
 def _set_local_maxima(magnitude, pts, w_num, w_denum, row_slices, col_slices, out): ...
 def _get_local_maxima(isobel, jsobel, magnitude, eroded_mask): ...

diff --git a/stubs/skimage/feature/_daisy.pyi b/stubs/skimage/feature/_daisy.pyi
@@ -1,13 +1,3 @@
-import math
-
-import numpy as np
-from numpy import arctan2, exp, pi, sqrt
-from numpy.typing import ArrayLike
-
-from .. import draw
-from .._shared.filters import gaussian
-from .._shared.utils import check_nD
-
 def daisy(
     image,
     step: int = 4,

diff --git a/stubs/skimage/feature/_hessian_det_appx_pythran.pyi b/stubs/skimage/feature/_hessian_det_appx_pythran.pyi
@@ -1,5 +1,3 @@
-import numpy as np
-
 def _clip(x, low, high): ...
 def _integ(img, r, c, rl, cl): ...
 

diff --git a/stubs/skimage/feature/_hog.pyi b/stubs/skimage/feature/_hog.pyi
@@ -1,5 +1,3 @@
-import numpy as np
-
 from .._shared import utils
 
 def _hog_normalize_block(block, method, eps=1e-5): ...

diff --git a/stubs/skimage/feature/_orb_descriptor_positions.pyi b/stubs/skimage/feature/_orb_descriptor_positions.pyi
@@ -1,7 +1,3 @@
-import os
-
-import numpy as np
-
 # Putting this in cython was giving strange bugs for different versions
 # of cython which seemed to indicate troubles with the __file__ variable
 # not being defined. Keeping it in pure python makes it more reliable

diff --git a/stubs/skimage/future/graph/_ncut.pyi b/stubs/skimage/future/graph/_ncut.pyi
@@ -1,7 +1,4 @@
-import networkx as nx
-import numpy as np
 from numpy.typing import NDArray
-from scipy import sparse
 
 from .rag import RAG
 

diff --git a/stubs/skimage/measure/_blur_effect.pyi b/stubs/skimage/measure/_blur_effect.pyi
@@ -1,7 +1,5 @@
 from typing import Callable
 
-import numpy as np
-import scipy.ndimage as ndi
 from numpy.typing import NDArray
 
 __all__ = ["blur_effect"]

diff --git a/stubs/skimage/measure/_find_contours.pyi b/stubs/skimage/measure/_find_contours.pyi
@@ -1,7 +1,3 @@
-from collections import deque
-
-import numpy as np
-
 from .._shared.utils import deprecate_kwarg
 
 _param_options = ...

diff --git a/stubs/skimage/measure/_label.pyi b/stubs/skimage/measure/_label.pyi
@@ -1,5 +1,3 @@
-from scipy import ndimage
-
 from .._shared.utils import deprecate_kwarg
 
 def _label_bool(image, background=None, return_num=False, connectivity=None): ...

diff --git a/stubs/skimage/measure/_marching_cubes_classic.pyi b/stubs/skimage/measure/_marching_cubes_classic.pyi
@@ -1,6 +1,3 @@
-import numpy as np
-import scipy.ndimage as ndi
-
 def _marching_cubes_classic(volume, level, spacing, gradient_direction): ...
 def mesh_surface_area(verts, faces) -> float: ...
 def _correct_mesh_orientation(volume, actual_verts, faces, spacing=(1.0, 1.0, 1.0), gradient_direction="descent"): ...
diff --git a/stubs/skimage/measure/_marching_cubes_lewiner.pyi b/stubs/skimage/measure/_marching_cubes_lewiner.pyi
@@ -1,10 +1,3 @@
-import base64
-
-import numpy as np
-
-from . import _marching_cubes_lewiner_luts as mcluts
-from ._marching_cubes_classic import _marching_cubes_classic
-
 def marching_cubes(
     volume,
     level: float | None = None,

diff --git a/stubs/skimage/measure/_moments.pyi b/stubs/skimage/measure/_moments.pyi
@@ -1,10 +1,5 @@
-import itertools
-
-import numpy as np
 from numpy.typing import ArrayLike
 
-from .._shared.utils import _supported_float_type, check_nD
-
 def moments_coords(coords, order: int = 3): ...
 def moments_coords_central(coords, center: tuple[float, ...] | None = None, order: int = 3): ...
 def moments(image, order: int = 3): ...

diff --git a/stubs/skimage/measure/_polygon.pyi b/stubs/skimage/measure/_polygon.pyi
@@ -1,6 +1,3 @@
-import numpy as np
-from scipy import signal
-
 def approximate_polygon(coords, tolerance: float): ...
 
 # B-Spline subdivision

diff --git a/stubs/skimage/measure/_regionprops.pyi b/stubs/skimage/measure/_regionprops.pyi
@@ -1,17 +1,7 @@
-import inspect
 from collections.abc import Mapping
-from functools import wraps
-from math import atan2, pi as PI, sqrt
-from warnings import warn
 
-import numpy as np
 from numpy.typing import ArrayLike
-from scipy import ndimage as ndi
-from scipy.spatial.distance import pdist
 
-from . import _moments
-from ._find_contours import find_contours
-from ._marching_cubes_lewiner import marching_cubes
 from ._regionprops_utils import euler_number, perimeter, perimeter_crofton
 
 __all__ = ["regionprops", "euler_number", "perimeter", "perimeter_crofton"]

diff --git a/stubs/skimage/measure/_regionprops_utils.pyi b/stubs/skimage/measure/_regionprops_utils.pyi
@@ -1,8 +1,3 @@
-from math import sqrt
-
-import numpy as np
-from scipy import ndimage as ndi
-
 STREL_4 = ...
 STREL_8 = ...
 

diff --git a/stubs/skimage/morphology/_flood_fill.pyi b/stubs/skimage/morphology/_flood_fill.pyi
@@ -1,8 +1,6 @@
-import numpy as np
 from numpy.typing import NDArray
 
 from .._shared.utils import deprecate_kwarg
-from ._util import _offsets_to_raveled_neighbors, _resolve_neighborhood, _set_border_values
 
 @deprecate_kwarg(
     kwarg_mapping={"selem": "footprint"},

diff --git a/stubs/skimage/morphology/_skeletonize.pyi b/stubs/skimage/morphology/_skeletonize.pyi
@@ -1,10 +1,8 @@
 from typing import Literal
 
-import numpy as np
 from numpy.typing import NDArray
-from scipy import ndimage as ndi
 
-from .._shared.utils import check_nD, deprecate_kwarg
+from .._shared.utils import deprecate_kwarg
 
 def skeletonize(image, *, method: Literal["zhang", "lee"] | None = None) -> NDArray: ...
 def skeletonize_2d(image) -> NDArray: ...

diff --git a/stubs/skimage/morphology/_util.pyi b/stubs/skimage/morphology/_util.pyi
@@ -1,6 +1,3 @@
-import numpy as np
-from scipy import ndimage as ndi
-
 def _validate_connectivity(image_dim, connectivity, offset): ...
 def _raveled_offsets_and_distances(
     image_shape,

diff --git a/stubs/skimage/transform/_geometric.pyi b/stubs/skimage/transform/_geometric.pyi
@@ -1,12 +1,6 @@
-import math
-import textwrap
 from collections.abc import Sequence
 
-import numpy as np
 from numpy.typing import ArrayLike
-from scipy import spatial
-
-from .._shared.utils import get_bound_method_class, safe_as_int
 
 def _affine_matrix_from_vector(v): ...
 def _center_and_normalize_points(points): ...

diff --git a/stubs/skimage/transform/_warps.pyi b/stubs/skimage/transform/_warps.pyi
@@ -1,24 +1,12 @@
 from collections.abc import Iterable, Mapping
 from typing import Literal
 
-import numpy as np
-import scipy
-from numpy.lib import NumpyVersion
 from numpy.typing import NDArray
-from scipy import ndimage as ndi
 
 from .._shared.utils import (
-    _to_ndimage_mode,
-    _validate_interpolation_order,
     channel_as_last_axis,
-    convert_to_float,
     deprecate_multichannel_kwarg,
-    get_bound_method_class,
-    safe_as_int,
-    warn,
 )
-from ..measure import block_reduce
-from ._geometric import AffineTransform, ProjectiveTransform, SimilarityTransform
 
 HOMOGRAPHY_TRANSFORMS = ...
 

diff --git a/stubs/sklearn/_config.pyi b/stubs/sklearn/_config.pyi
@@ -1,5 +1,3 @@
-import os
-import threading
 from collections.abc import Iterator
 from contextlib import contextmanager as contextmanager
 from typing import Literal

diff --git a/stubs/sklearn/_min_dependencies.pyi b/stubs/sklearn/_min_dependencies.pyi
@@ -1,5 +1,3 @@
-import argparse
-import platform
 from collections import defaultdict as defaultdict
 
 SCIPY_MIN_VERSION: str = ...

diff --git a/stubs/sklearn/cluster/_affinity_propagation.pyi b/stubs/sklearn/cluster/_affinity_propagation.pyi
@@ -1,9 +1,7 @@
-import warnings
 from numbers import Integral as Integral, Real as Real
 from typing import Any, ClassVar, Literal
 from typing_extensions import Self
 
-import numpy as np
 from numpy import ndarray
 from numpy.random import RandomState
 

diff --git a/stubs/sklearn/cluster/_agglomerative.pyi b/stubs/sklearn/cluster/_agglomerative.pyi
@@ -1,10 +1,8 @@
-import warnings
 from heapq import heapify as heapify, heappop as heappop, heappush as heappush, heappushpop as heappushpop
 from numbers import Integral as Integral, Real as Real
 from typing import Any, Callable, ClassVar, Literal
 from typing_extensions import Self
 
-import numpy as np
 from joblib import Memory
 from numpy import ndarray
 from scipy import sparse as sparse

diff --git a/stubs/sklearn/cluster/_bicluster.pyi b/stubs/sklearn/cluster/_bicluster.pyi
@@ -3,7 +3,6 @@ from numbers import Integral as Integral
 from typing import Any, ClassVar, Literal
 from typing_extensions import Self
 
-import numpy as np
 from numpy import ndarray
 from numpy.random import RandomState
 from scipy.linalg import norm as norm

diff --git a/stubs/sklearn/cluster/_birch.pyi b/stubs/sklearn/cluster/_birch.pyi
@@ -1,10 +1,8 @@
-import warnings
 from math import sqrt as sqrt
 from numbers import Integral as Integral, Real as Real
 from typing import Any, ClassVar
 from typing_extensions import Self
 
-import numpy as np
 from numpy import ndarray
 from scipy import sparse as sparse
 from scipy.sparse import spmatrix
Original file line number	Diff line number	Diff line change
		@@ -1,3 +1 @@
		from .version_requirements import is_installed

		has_mpl = ...