Fix for Sphinx 4.1+, backported from upstream

2ab605a455.patch

@@ -0,0 +1,40 @@
+From 2ab605a455960523bf56bb305e254db3ebc5d00c Mon Sep 17 00:00:00 2001
+From: Aaron Carlisle <carlisle.b3d@gmail.com>
+Date: Tue, 13 Jul 2021 05:16:47 -0400
+Subject: [PATCH] Tests: Fix deprecation warning with new sphinx versions
+ (#1105)
+
+* Tests: Fix deprecation warning with new sphinx versions
+
+These builders where split in sphinx and the old import path will be removed in the upcoming Sphinx 4 release.
+
+This patch requires sphinx 2 so this will be committed into the v2 release.
+
+* Fix imports
+
+* Use try/except for backwards compatibility
+---
+ tests/test_builders.py | 10 +++++++++-
+ 1 file changed, 9 insertions(+), 1 deletion(-)
+
+diff --git a/tests/test_builders.py b/tests/test_builders.py
+index ce8fb3cc1..d3d3c51b7 100644
+--- a/tests/test_builders.py
++++ b/tests/test_builders.py
+@@ -3,7 +3,15 @@
+ import pytest
+ import sphinx
+ from sphinx import addnodes
+-from sphinx.builders.html import SingleFileHTMLBuilder, DirectoryHTMLBuilder
++try:
++    # Available from Sphinx 2.0
++    from sphinx.builders.dirhtml import DirectoryHTMLBuilder
++    from sphinx.builders.singlehtml import SingleFileHTMLBuilder
++except ImportError:
++    from sphinx.builders.html import (
++        DirectoryHTMLBuilder,
++        SingleFileHTMLBuilder,
++    )
+ 
+ from .util import build_all
+ 

python-sphinx_rtd_theme.spec

@@ -5,7 +5,7 @@
 
 Name:           python-%{srcname}
 Version:        0.5.2
-Release:        4%{?dist}
+Release:        5%{?dist}
 Summary:        Sphinx theme for readthedocs.org
 
 License:        MIT
@@ -20,6 +20,9 @@ Patch0:         %{name}-html5shiv.patch
 # Unbundle fonts.  Refer to local fonts instead.
 Patch1:         %{name}-unbundle-fonts.patch
 
+# Fix for Sphinx 4.1+, backported from upstream
+Patch2:         https://github.com/readthedocs/sphinx_rtd_theme/commit/2ab605a455.patch
+
 BuildArch:      noarch
 
 BuildRequires:  font(fontawesome)
@@ -139,6 +142,9 @@ rm -fr %{buildroot}%{python3_sitelib}/%{srcname}/static/css/fonts
 %endif
 
 %changelog
+* Wed Aug 04 2021 Miro Hrončok <mhroncok@redhat.com> - 0.5.2-5
+- Fix for Sphinx 4.1+
+
 * Fri Jul 23 2021 Fedora Release Engineering <releng@fedoraproject.org> - 0.5.2-4
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_35_Mass_Rebuild