add upstream sphinx fix

0005-Disable-add_html_cache_busting-on-sphinx-7.1.patch

@@ -0,0 +1,29 @@
+diff -up matplotlib-3.7.2/doc/conf.py.orig matplotlib-3.7.2/doc/conf.py
+--- matplotlib-3.7.2/doc/conf.py.orig	2023-08-11 13:11:52.705650329 -0400
++++ matplotlib-3.7.2/doc/conf.py	2023-08-11 13:13:04.662668088 -0400
+@@ -20,6 +20,8 @@ import sys
+ from urllib.parse import urlsplit, urlunsplit
+ import warnings
+ 
++import sphinx
++
+ import matplotlib
+ 
+ from datetime import timezone
+@@ -347,6 +349,9 @@ def add_html_cache_busting(app, pagename
+     This adds the Matplotlib version as a query to the link reference in the
+     HTML, if the path is not absolute (i.e., it comes from the `_static`
+     directory) and doesn't already have a query.
++
++    .. note:: Sphinx 7.1 provides asset checksums; so this hook only runs on
++              Sphinx 7.0 and earlier.
+     """
+     from sphinx.builders.html import Stylesheet, JavaScript
+ 
+@@ -723,4 +728,5 @@ def setup(app):
+     else:
+         bld_type = 'rel'
+     app.add_config_value('releaselevel', bld_type, 'env')
+-    app.connect('html-page-context', add_html_cache_busting, priority=1000)
++    if sphinx.version_info[:2] < (7, 1):
++        app.connect('html-page-context', add_html_cache_busting, priority=1000)

python-matplotlib.spec

@@ -60,6 +60,10 @@ Patch1003:      0003-Set-FreeType-version-to-%{ftver}-and-update-tolerances.patc
 # https://github.com/matplotlib/matplotlib/pull/21190#issuecomment-1223271888
 Patch0001:      0004-Use-old-stride_windows-implementation-on-32-bit-x86.patch
 
+# Fix issue with Sphinx 7.1+
+# https://github.com/matplotlib/matplotlib/commit/a01fbaeba4bdefc2ff6782bac73a9a03b8a9bce7
+Patch0002:      0005-Disable-add_html_cache_busting-on-sphinx-7.1.patch
+
 BuildRequires:  gcc
 BuildRequires:  gcc-c++
 BuildRequires:  glibc-langpack-en