diff --git a/.git-blame-ignore-revs b/.git-blame-ignore-revs
@@ -0,0 +1,8 @@
+# style: end-of-file-fixer pre-commit hook
+c1a33a481b9c2df605bcb9bef9c19fe65c3dac21
+
+# style: trailing-whitespace pre-commit hook
+213061c0804530d04bbbd5c259f10dc8504e5b2b
+
+# style: check-docstring-first pre-commit hook
+046533797725293dfc2a6edb9f536b25f08aa636
diff --git a/.github/ISSUE_TEMPLATE/bug_report.yml b/.github/ISSUE_TEMPLATE/bug_report.yml
@@ -6,16 +6,16 @@ body:
     id: summary
     attributes:
       label: Bug summary
-      description:  Describe the bug in 1-2 short sentences 
-      placeholder: 
+      description:  Describe the bug in 1-2 short sentences
+      placeholder:
       value:
     validations:
       required: true
   - type: textarea
     id: reproduction
     attributes:
       label: Code for reproduction
-      description: If possible, please provide a minimum self-contained example. 
+      description: If possible, please provide a minimum self-contained example.
       placeholder: Paste your code here
       render: python
     validations:
@@ -59,7 +59,7 @@ body:
       required: true
   - type: input
     id: matplotlib-backend
-    attributes: 
+    attributes:
       label: Matplotlib Backend
       description: "From Python prompt: `import matplotlib; print(matplotlib.get_backend())`"
   - type: input

diff --git a/.github/ISSUE_TEMPLATE/documentation.yml b/.github/ISSUE_TEMPLATE/documentation.yml
@@ -15,7 +15,7 @@ body:
     id: problem
     attributes:
       label: Problem
-      description: What is missing, unclear, or wrong in the documentation? 
+      description: What is missing, unclear, or wrong in the documentation?
       placeholder: |
         * I found [...] to be unclear because [...]
         * [...] made me think that [...] when really it should be [...]

diff --git a/.github/ISSUE_TEMPLATE/maintenance.yml b/.github/ISSUE_TEMPLATE/maintenance.yml
@@ -7,11 +7,11 @@ body:
     id: summary
     attributes:
       label: Summary
-      description:  Please provide 1-2 short sentences that succinctly describes what could be improved. 
+      description:  Please provide 1-2 short sentences that succinctly describes what could be improved.
     validations:
       required: true
   - type: textarea
     id: fix
     attributes:
       label: Proposed fix
-      description: Please describe how you think this could be improved.  
+      description: Please describe how you think this could be improved.
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
@@ -305,4 +305,4 @@ jobs:
           pinned: false
           close-previous: false
         env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
@@ -4,6 +4,7 @@ ci:
 exclude: |
   (?x)^(
     extern|
+    LICENSE|
     lib/matplotlib/mpl-data|
     doc/devel/gitwash|
     doc/users/prev|
@@ -12,7 +13,7 @@ exclude: |
     )
 repos:
   - repo: https://github.com/pre-commit/pre-commit-hooks
-    rev: v4.0.1
+    rev: v4.2.0
     hooks:
       - id: check-added-large-files
       - id: check-docstring-first
@@ -22,7 +23,7 @@ repos:
       - id: trailing-whitespace
         exclude_types: [svg]
   - repo: https://github.com/pycqa/flake8
-    rev: 3.9.2
+    rev: 4.0.1
     hooks:
       - id: flake8
         additional_dependencies: [pydocstyle>5.1.0, flake8-docstrings>1.4.0]

diff --git a/CODE_OF_CONDUCT.md b/CODE_OF_CONDUCT.md
@@ -62,7 +62,7 @@ representative at an online or offline event.
 Instances of abusive, harassing, or otherwise unacceptable behavior may be
 reported to the community leaders responsible for enforcement at
 matplotlib@numfocus.org (monitored by Thomas Caswell (\@tacaswell) and Hannah
-Aizenman (\@story645)) or a report can be made using the [NumFOCUS Code of Conduct report form][numfocus form]. 
+Aizenman (\@story645)) or a report can be made using the [NumFOCUS Code of Conduct report form][numfocus form].
 If community leaders cannot come to a resolution about enforcement, reports will be escalated to the NumFocus Code of Conduct committee (conduct@numfocus.org).
 All complaints will be reviewed and investigated promptly and fairly.
 

diff --git a/README.rst b/README.rst
@@ -116,4 +116,3 @@ For more information, please visit `the informational page
 <https://sustainable-open-science-and-software.github.io/>`__ or download the
 `participant information sheet
 <https://sustainable-open-science-and-software.github.io/assets/PIS_sustainable_software.pdf>`__.
-
diff --git a/doc/README.txt b/doc/README.txt
@@ -13,17 +13,17 @@ This is the top level build directory for the Matplotlib
 documentation.  All of the documentation is written using sphinx, a
 python documentation system built on top of ReST.  This directory contains
 
-* users - the user documentation, e.g., installation, plotting tutorials, 
+* users - the user documentation, e.g., installation, plotting tutorials,
 configuration tips, faq, explaations, etc.
 
 * devel - documentation for Matplotlib developers
 
 * api - placeholders to automatically generate the api documentation
 
-* tutorials, plot_types, and gallery - automatically 
+* tutorials, plot_types, and gallery - automatically
 generated by sphinx-gallery from ``../tutorials``, ``../plot_types``, and
 ``../examples`` respectively (these are only present if docs have been
-built locally).  
+built locally).
 
 * thirdpartypackages - redirect to <https://matplotlib.org/mpl-third-party/>
 

diff --git a/doc/_static/.gitignore b/doc/_static/.gitignore
@@ -2,4 +2,3 @@ contour_frontpage.png
 histogram_frontpage.png
 membrane_frontpage.png
 surface3d_frontpage.png
-
diff --git a/doc/_static/switcher.json b/doc/_static/switcher.json
@@ -19,4 +19,4 @@
         "name": "2.2",
         "version": "2.2.4"
     },
-]
+]
diff --git a/doc/_templates/automodule.rst b/doc/_templates/automodule.rst
@@ -5,7 +5,7 @@
    treat this separately (sphinx-doc/sphinx/issues/4874)
 .. automodule:: {{ fullname }}
    :members:
-   
+
 {% else %}
 
 .. automodule:: {{ fullname }}
@@ -18,7 +18,7 @@
 Classes
 -------
 
-.. autosummary:: 
+.. autosummary::
    :template: autosummary.rst
    :toctree:
 {% for item in classes %}{% if item not in ['zip', 'map', 'reduce'] %}
@@ -32,7 +32,7 @@ Classes
 Functions
 ---------
 
-.. autosummary:: 
+.. autosummary::
    :template: autosummary.rst
    :toctree:
 

diff --git a/doc/api/_enums_api.rst b/doc/api/_enums_api.rst
@@ -12,4 +12,3 @@
    .. autoclass:: CapStyle
       :members: demo
       :exclude-members: butt, round, projecting, input_description
-
diff --git a/doc/api/lines_api.rst b/doc/api/lines_api.rst
@@ -26,4 +26,3 @@ Functions
    :template: autosummary.rst
 
    segment_hits
-
diff --git a/doc/api/next_api_changes/behavior/00001-ABC.rst b/doc/api/next_api_changes/behavior/00001-ABC.rst
@@ -4,4 +4,4 @@ Behavior Change template
 Enter description here....
 
 Please rename file with PR number and your initials i.e. "99999-ABC.rst"
-and ``git add`` the new file.  
+and ``git add`` the new file.
diff --git a/doc/api/next_api_changes/behavior/22639-RA.rst b/doc/api/next_api_changes/behavior/22639-RA.rst
@@ -2,4 +2,4 @@ MacOSX backend to use sRGB instead of GenericRGB colorspace
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 MacOSX backend now display sRGB tagged image instead of GenericRGB which is
 an older (now deprecated) Apple colorspace. This is the source colorspace
-used by ColorSync to convert to the current display profile.
+used by ColorSync to convert to the current display profile.
diff --git a/doc/api/next_api_changes/behavior/22691-JMK.rst b/doc/api/next_api_changes/behavior/22691-JMK.rst
@@ -3,4 +3,4 @@ QuadMesh mouseover defaults to False
 
 New in 3.5, `.QuadMesh.get_cursor_data` allows display of data values
 under the cursor.  However, this can be very slow for large meshes, so
-by `.QuadMesh.set_mouseover` defaults to *False*.
+by `.QuadMesh.set_mouseover` defaults to *False*.
diff --git a/doc/api/next_api_changes/deprecations/22133-OG.rst b/doc/api/next_api_changes/deprecations/22133-OG.rst
@@ -3,4 +3,4 @@
 
 The modules ``matplotlib.AFM``, ``matplotlib.configfont_pattern``, and
 ``matplotlib.Type1Font`` are considered internal and public access is
-deprecated.
+deprecated.
diff --git a/doc/api/next_api_changes/deprecations/22134-OG.rst b/doc/api/next_api_changes/deprecations/22134-OG.rst
@@ -2,4 +2,4 @@ Modules ``tight_bbox`` and ``tight_layout`` deprecated
 ------------------------------------------------------
 
 The modules ``matplotlib.tight_bbox`` and ``matplotlib.tight_layout`` are
-considered internal and public access is deprecated.
+considered internal and public access is deprecated.
diff --git a/doc/api/next_api_changes/deprecations/22268-OG.rst b/doc/api/next_api_changes/deprecations/22268-OG.rst
@@ -7,4 +7,4 @@ is deprecated.
 
 For ``is_close_to_int`` use ``math.isclose(x, round(x))`` instead.
 For ``is_decade`` use
-``y = numpy.log(x)/numpy.log(base); numpy.isclose(y, numpy.round(y))``
+``y = numpy.log(x)/numpy.log(base); numpy.isclose(y, numpy.round(y))``
diff --git a/doc/api/next_api_changes/deprecations/22345-JK.rst b/doc/api/next_api_changes/deprecations/22345-JK.rst
@@ -11,4 +11,4 @@ The methods `~.Figure.set_constrained_layout_pads` and
 `~.Figure.get_constrained_layout_pads` are will be deprecated in favor of
 ``figure.get_layout_engine().set()`` and
 ``figure.get_layout_engine().get()``, and currently emit a
-``PendingDeprecationWarning``.
+``PendingDeprecationWarning``.
diff --git a/doc/api/next_api_changes/development/00001-ABC.rst b/doc/api/next_api_changes/development/00001-ABC.rst
@@ -4,4 +4,4 @@ Development Change template
 Enter description here....
 
 Please rename file with PR number and your initials i.e. "99999-ABC.rst"
-and ``git add`` the new file.  
+and ``git add`` the new file.
diff --git a/doc/api/next_api_changes/development/22205-ES.rst b/doc/api/next_api_changes/development/22205-ES.rst
@@ -13,4 +13,3 @@ being bumped:
 
 This is consistent with our :ref:`min_deps_policy` and `NEP29
 <https://numpy.org/neps/nep-0029-deprecation_policy.html>`__
-
diff --git a/doc/api/next_api_changes/removals/00001-ABC.rst b/doc/api/next_api_changes/removals/00001-ABC.rst
@@ -4,4 +4,4 @@ Removal Change template
 Enter description of methods/classes removed here....
 
 Please rename file with PR number and your initials i.e. "99999-ABC.rst"
-and ``git add`` the new file.  
+and ``git add`` the new file.
diff --git a/doc/api/next_api_changes/removals/21980-CC.rst b/doc/api/next_api_changes/removals/21980-CC.rst
@@ -2,5 +2,5 @@ Removed loaded modules logging
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
 The list of currently loaded modules is no longer logged at the DEBUG level at Matplotlib import time,
-because it can produce extensive output and make other valuable DEBUG statements difficult to find. 
-If you were relying on this please arrange for your own logging (the built-in `sys.modules` can be used to get the currently loaded modules).
+because it can produce extensive output and make other valuable DEBUG statements difficult to find.
+If you were relying on this please arrange for your own logging (the built-in `sys.modules` can be used to get the currently loaded modules).
diff --git a/doc/api/next_api_changes/removals/22516-OG.rst b/doc/api/next_api_changes/removals/22516-OG.rst
@@ -17,4 +17,4 @@ be used as a replacement.
 
 In the WX backend, the property ``IDLE_DELAY`` is removed. In addition, the
 parameter ``origin`` of ``gui_repaint()`` is removed, as well as the method
-``get_canvas()``. No replacements are provided.
+``get_canvas()``. No replacements are provided.
diff --git a/doc/api/patches_api.rst b/doc/api/patches_api.rst
@@ -48,4 +48,3 @@ Functions
 
    bbox_artist
    draw_bbox
-
diff --git a/doc/api/toolkits/mplot3d/faq.rst b/doc/api/toolkits/mplot3d/faq.rst
@@ -49,4 +49,3 @@ Work is being done to eliminate this issue. For matplotlib v1.1.0, there is
 a semi-official manner to modify these parameters. See the note in the
 :mod:`.mplot3d.axis3d` section of the mplot3d API documentation for
 more information.
-
diff --git a/doc/api/transformations.rst b/doc/api/transformations.rst
@@ -15,4 +15,3 @@
        interval_contains, interval_contains_open
    :show-inheritance:
    :special-members:
-
diff --git a/doc/api/tri_api.rst b/doc/api/tri_api.rst
@@ -17,7 +17,7 @@
     :show-inheritance:
 
 .. autoclass:: matplotlib.tri.TriInterpolator
-   
+
 .. autoclass:: matplotlib.tri.LinearTriInterpolator
     :members: __call__, gradient
     :show-inheritance:
@@ -30,7 +30,7 @@
 
 .. autoclass:: matplotlib.tri.UniformTriRefiner
     :show-inheritance:
-    :members: 
+    :members:
 
 .. autoclass:: matplotlib.tri.TriAnalyzer
-    :members: 
+    :members:
diff --git a/doc/devel/contributing.rst b/doc/devel/contributing.rst
@@ -40,15 +40,15 @@ difficulty. ``Difficulty: Easy`` is suited for people with little Python experie
 ``Difficulty: Medium`` and ``Difficulty: Hard`` are not trivial to solve and
 require more thought and programming experience.
 
-In general, the Matplotlib project does not assign issues. Issues are 
-"assigned" or "claimed" by opening a PR; there is no other assignment 
-mechanism. If you have opened such a PR, please comment on the issue thread to 
-avoid duplication of work. Please check if there is an existing PR for the 
-issue you are addressing. If there is, try to work with the author by 
-submitting reviews of their code or commenting on the PR rather than opening 
-a new PR; duplicate PRs are subject to being closed.  However, if the existing 
-PR is an outline, unlikely to work, or stalled, and the original author is 
-unresponsive, feel free to open a new PR referencing the old one. 
+In general, the Matplotlib project does not assign issues. Issues are
+"assigned" or "claimed" by opening a PR; there is no other assignment
+mechanism. If you have opened such a PR, please comment on the issue thread to
+avoid duplication of work. Please check if there is an existing PR for the
+issue you are addressing. If there is, try to work with the author by
+submitting reviews of their code or commenting on the PR rather than opening
+a new PR; duplicate PRs are subject to being closed.  However, if the existing
+PR is an outline, unlikely to work, or stalled, and the original author is
+unresponsive, feel free to open a new PR referencing the old one.
 
 .. _submitting-a-bug-report:
 

diff --git a/doc/devel/development_setup.rst b/doc/devel/development_setup.rst
@@ -67,9 +67,18 @@ These will automatically check flake8 and other style issues when you run
 ``git commit``. The hooks are defined in the top level
 ``.pre-commit-config.yaml`` file. To install the hooks ::
 
-    pip install pre-commit
+    python -m pip install pre-commit
     pre-commit install
 
+The hooks can also be run manually. All the hooks can be run, in order as
+listed in ``.pre-commit-config.yaml``, against the full codebase with ::
+
+    pre-commit run --all-files
+
+To run a particular hook manually, run ``pre-commit run`` with the hook id ::
+
+    pre-commit run <hook id> --all-files
+
 Installing additional dependencies for development
 ==================================================
 See :ref:`development-dependencies`.
diff --git a/doc/devel/style_guide.rst b/doc/devel/style_guide.rst
@@ -406,4 +406,3 @@ resources contain common best practices for writing documentation.
 * `Google Developer Style Guide <https://developers.google.com/style>`_
 * `IBM Style Guide <https://www.oreilly.com/library/view/the-ibm-style/9780132118989/>`_
 * `Red Hat Style Guide <https://stylepedia.net/style/#grammar>`_
-
diff --git a/doc/devel/testing.rst b/doc/devel/testing.rst
@@ -256,4 +256,3 @@ The test discovery scope can be narrowed to single test modules or even single
 functions::
 
     python -m pytest --pyargs matplotlib.tests.test_simplification.py::test_clipping
-
diff --git a/doc/missing-references.json b/doc/missing-references.json
@@ -1107,4 +1107,4 @@
       "lib/mpl_toolkits/mplot3d/axes3d.py:docstring of mpl_toolkits.mplot3d.axes3d.Axes3D.get_ylim3d:24"
     ]
   }
-}
+}
diff --git a/doc/users/explain/fonts.rst b/doc/users/explain/fonts.rst
@@ -1,5 +1,5 @@
 .. redirect-from:: /users/fonts
-  
+
 Fonts in Matplotlib text engine
 ===============================
 

diff --git a/doc/users/faq/index.rst b/doc/users/faq/index.rst
@@ -3,7 +3,7 @@
 .. redirect-from:: /faq/index
 
 ##########################
-How-to and troubleshooting 
+How-to and troubleshooting
 ##########################
 
 .. only:: html

diff --git a/doc/users/github_stats.rst b/doc/users/github_stats.rst
@@ -45,7 +45,7 @@ Pull Requests (84):
 * :ghpull:`21908`: Backport PR #21834 on branch v3.5.x (MAINT Fix signature qhull version function )
 * :ghpull:`21907`: Backport PR #21905 on branch v3.5.x (Fix image testing decorator in pytest importlib mode)
 * :ghpull:`21906`: Backport PR #21773 on branch v3.5.x (FIX: Reset label of axis to center)
-* :ghpull:`21834`: MAINT Fix signature qhull version function 
+* :ghpull:`21834`: MAINT Fix signature qhull version function
 * :ghpull:`21905`: Fix image testing decorator in pytest importlib mode
 * :ghpull:`21773`: FIX: Reset label of axis to center
 * :ghpull:`21902`: Backport PR #21884 on branch v3.5.x (FIX: be more careful about coercing unit-full containers to ndarray)

diff --git a/doc/users/index.rst b/doc/users/index.rst
@@ -29,7 +29,7 @@ Tutorials and examples
    ../tutorials/index.rst
    ../gallery/index.rst
 
-Reference 
+Reference
 #########
 
 .. toctree::

diff --git a/doc/users/next_whats_new/3d_plot_roll_angle.rst b/doc/users/next_whats_new/3d_plot_roll_angle.rst
@@ -10,7 +10,7 @@ existing 3D plots.
 
 .. plot::
     :include-source: true
-    
+
     from mpl_toolkits.mplot3d import axes3d
     import matplotlib.pyplot as plt
     fig = plt.figure()
Original file line number	Diff line number	Diff line change
Expand Up		@@ -116,4 +116,3 @@ For more information, please visit `the informational page
		<https://sustainable-open-science-and-software.github.io/>`__ or download the
		`participant information sheet
		<https://sustainable-open-science-and-software.github.io/assets/PIS_sustainable_software.pdf>`__.
Original file line number	Diff line number	Diff line change
Expand Up		@@ -2,4 +2,3 @@ contour_frontpage.png
		histogram_frontpage.png
		membrane_frontpage.png
		surface3d_frontpage.png
-Original file line number
+Diff line change
@@ Expand Up / @@ -19,4 +19,4 @@ @@
             "name": "2.2",
             "version": "2.2.4"
         },
-    ]
+    ]
Original file line number	Diff line number	Diff line change
Expand Up		@@ -12,4 +12,3 @@
		.. autoclass:: CapStyle
		:members: demo
		:exclude-members: butt, round, projecting, input_description
Original file line number	Diff line number	Diff line change
Expand Up		@@ -26,4 +26,3 @@ Functions
		:template: autosummary.rst

		segment_hits
Original file line number	Diff line number	Diff line change
Expand Up		@@ -13,4 +13,3 @@ being bumped:

		This is consistent with our :ref:`min_deps_policy` and `NEP29
		<https://numpy.org/neps/nep-0029-deprecation_policy.html>`__
Original file line number	Diff line number	Diff line change
Expand Up		@@ -49,4 +49,3 @@ Work is being done to eliminate this issue. For matplotlib v1.1.0, there is
		a semi-official manner to modify these parameters. See the note in the
		:mod:`.mplot3d.axis3d` section of the mplot3d API documentation for
		more information.
Original file line number	Diff line number	Diff line change
Expand Up		@@ -15,4 +15,3 @@
		interval_contains, interval_contains_open
		:show-inheritance:
		:special-members:
Original file line number	Diff line number	Diff line change
Expand Up		@@ -406,4 +406,3 @@ resources contain common best practices for writing documentation.
		* `Google Developer Style Guide <https://developers.google.com/style>`_
		* `IBM Style Guide <https://www.oreilly.com/library/view/the-ibm-style/9780132118989/>`_
		* `Red Hat Style Guide <https://stylepedia.net/style/#grammar>`_
Original file line number	Diff line number	Diff line change
Expand Up		@@ -256,4 +256,3 @@ The test discovery scope can be narrowed to single test modules or even single
		functions::

		python -m pytest --pyargs matplotlib.tests.test_simplification.py::test_clipping