Clean up F401 diagnostics from ruff

Author: QuLogic

lib/matplotlib/_api/__init__.pyi

@@ -4,7 +4,7 @@ from typing_extensions import Self  # < Py 3.11
 
 from numpy.typing import NDArray
 
-from .deprecation import (  # noqa: re-exported API
+from .deprecation import (  # noqa: F401, re-exported API
     deprecated as deprecated,
     warn_deprecated as warn_deprecated,
     rename_parameter as rename_parameter,

lib/matplotlib/axes/__init__.py

@@ -1,5 +1,5 @@
 from . import _base
-from ._axes import Axes  # noqa: F401
+from ._axes import Axes
 
 # Backcompat.
 Subplot = Axes

lib/matplotlib/axes/_axes.py

@@ -14,7 +14,7 @@
 import matplotlib.collections as mcoll
 import matplotlib.colors as mcolors
 import matplotlib.contour as mcontour
-import matplotlib.dates  # noqa # Register date unit converter as side effect.
+import matplotlib.dates  # noqa: F401, Register date unit converter as side effect.
 import matplotlib.image as mimage
 import matplotlib.legend as mlegend
 import matplotlib.lines as mlines

lib/matplotlib/contour.pyi

@@ -3,7 +3,6 @@ from matplotlib.artist import Artist
 from matplotlib.axes import Axes
 from matplotlib.collections import Collection, PathCollection
 from matplotlib.colors import Colormap, Normalize
-from matplotlib.font_manager import FontProperties
 from matplotlib.path import Path
 from matplotlib.patches import Patch
 from matplotlib.text import Text

lib/matplotlib/gridspec.pyi

@@ -3,7 +3,7 @@ from typing import Any, Literal, overload
 from numpy.typing import ArrayLike
 import numpy as np
 
-from matplotlib.axes import Axes, SubplotBase
+from matplotlib.axes import Axes
 from matplotlib.backend_bases import RendererBase
 from matplotlib.figure import Figure
 from matplotlib.transforms import Bbox

lib/matplotlib/lines.pyi

@@ -2,7 +2,7 @@ from .artist import Artist
 from .axes import Axes
 from .backend_bases import MouseEvent, FigureCanvasBase
 from .path import Path
-from .transforms import Bbox, Transform
+from .transforms import Bbox
 
 from collections.abc import Callable, Sequence
 from typing import Any, Literal, overload

lib/matplotlib/mathtext.py

@@ -22,7 +22,7 @@
 from matplotlib import _api, _mathtext
 from matplotlib.ft2font import LOAD_NO_HINTING
 from matplotlib.font_manager import FontProperties
-from ._mathtext import (  # noqa: reexported API
+from ._mathtext import (  # noqa: F401, reexported API
     RasterParse, VectorParse, get_unicode_index)
 
 _log = logging.getLogger(__name__)

lib/matplotlib/pyplot.py

@@ -55,8 +55,9 @@
 import matplotlib.colorbar
 import matplotlib.image
 from matplotlib import _api
-from matplotlib import (  # noqa: F401 Re-exported for typing.
-    cm as cm, get_backend as get_backend, rcParams as rcParams, style as style)
+# Re-exported (import x as x) for typing.
+from matplotlib import cm as cm, get_backend as get_backend, rcParams as rcParams
+from matplotlib import style as style  # noqa: F401
 from matplotlib import _pylab_helpers
 from matplotlib import interactive  # noqa: F401
 from matplotlib import cbook

lib/matplotlib/spines.pyi

@@ -1,5 +1,5 @@
 from collections.abc import Callable, Iterator, MutableMapping
-from typing import Any, Literal, TypeVar, overload
+from typing import Literal, TypeVar, overload
 
 import matplotlib.patches as mpatches
 from matplotlib.axes import Axes

lib/matplotlib/tests/test_triangulation.py

@@ -1183,7 +1183,7 @@ def test_tricontourf_decreasing_levels():
 
 def test_internal_cpp_api():
     # Following github issue 8197.
-    from matplotlib import _tri  # noqa: ensure lazy-loaded module *is* loaded.
+    from matplotlib import _tri  # noqa: F401, ensure lazy-loaded module *is* loaded.
 
     # C++ Triangulation.
     with pytest.raises(