Clean up trailing whitespace in other files

Author: QuLogic

Diff for: .github/pull_request_template.md

@@ -3,10 +3,10 @@
 
 <!--
 To create a new package yml, make a new file with your package name in the `packages/`
-directory with a  yml suffix.  Examples can be seen in the `packages/` directory, but 
-at the minimum you need to include the `repo:`, `section:` and `description:` fields.  
-Please keep the description very short.  
+directory with a  yml suffix.  Examples can be seen in the `packages/` directory, but
+at the minimum you need to include the `repo:`, `section:` and `description:` fields.
+Please keep the description very short.
 
-Other useful fields are `site:`, `pypi_name`, `conda_package`, (if different from the 
-github name), and `conda_channel` if not *conda-forge*.  
+Other useful fields are `site:`, `pypi_name`, `conda_package`, (if different from the
+github name), and `conda_channel` if not *conda-forge*.
 -->

Diff for: README.md

@@ -22,7 +22,7 @@ and use the `Add File` button at the top of the page. Then open a pull request w
 
 Note: The name of the yml file and the name of the repo should ideally match.
 
-The `section` entry should be one of the sections listed in 
+The `section` entry should be one of the sections listed in
 [./section_names.yml](https://github.com/matplotlib/mpl-third-party/blob/main/section_names.yml).
 
 ### PyPI Classifier

Diff for: docs/Makefile

@@ -3,7 +3,7 @@
 
 # You can set these variables from the command line, and also
 # from the environment for the first two.
-SPHINXOPTS    ?= 
+SPHINXOPTS    ?=
 SPHINXBUILD   ?= sphinx-build
 SOURCEDIR     = source
 BUILDDIR      = build
@@ -24,4 +24,4 @@ just-html:
 	@$(SPHINXBUILD) -M html "$(SOURCEDIR)" "$(BUILDDIR)" $(SPHINXOPTS) $(O)
 
 clean:
-	rm -rf build/
+	rm -rf build/

Diff for: docs/source/intro.rst

@@ -1,15 +1,15 @@
-A list of packages that extend Matplotlib.  These are maintained 
-and distributed independently from Matplotlib so go to the website 
-listed for instructions.  
+A list of packages that extend Matplotlib.  These are maintained
+and distributed independently from Matplotlib so go to the website
+listed for instructions.
 
-Please contribute your package by opening a pull-request at 
+Please contribute your package by opening a pull-request at
 https://github.com/matplotlib/mpl-third-party using the template in the
 `readme <https://github.com/matplotlib/mpl-third-party>`_
 
-If you need help making a package, see 
+If you need help making a package, see
 https://github.com/matplotlib/matplotlib-extension-cookiecutter
 where we give you a template to make it easy!
 
-You can find more packages at 
-`PyPI <https://pypi.org/search/?q=&o=&c=Framework+%3A%3A+Matplotlib>`_ 
+You can find more packages at
+`PyPI <https://pypi.org/search/?q=&o=&c=Framework+%3A%3A+Matplotlib>`_
 using the ``Framework :: Matplotlib`` trove classifier.