Apply patchs:

0002-Use-local-intersphinx-mappings.patch
From: Sebastian Ramacher <sramacher@debian.org>
Date: Thu, 14 Jul 2016 23:01:01 +0200
Subject: Use local intersphinx mappings
0005-Drop-sphinxcontrib_trio-extension.patch
From: =?utf-8?b?T25kxZllaiBOb3bDvQ==?= <onovy@debian.org>
Date: Fri, 15 Jun 2018 13:43:56 +0200
Subject: Drop sphinxcontrib_trio extension
0006-Disable-sphinx-extensions.patch
From: =?utf-8?b?T25kxZllaiBOb3bDvQ==?= <onovy@debian.org>
Date: Sun, 3 Nov 2019 15:47:11 -0800
Subject: Disable some of Sphinx extensions which we don't have in Debian

debian/changelog

@@ -1,3 +1,9 @@
+pytest (7.2.1-ok2) yangtze; urgency=medium
+
+  * Apply patchs.
+
+ -- sufang <sufang@kylinos.cn>  Wed, 15 Feb 2023 10:03:38 +0800
+
 pytest (7.2.1-ok1) yangtze; urgency=medium
 
   * Build for openkylin.

doc/en/conf.py

@@ -67,15 +67,12 @@ latex_elements = {
 # coming with Sphinx (named 'sphinx.ext.*') or your custom ones.
 extensions = [
     "pallets_sphinx_themes",
-    "pygments_pytest",
     "sphinx.ext.autodoc",
     "sphinx.ext.autosummary",
     "sphinx.ext.extlinks",
     "sphinx.ext.intersphinx",
     "sphinx.ext.todo",
     "sphinx.ext.viewcode",
-    "sphinx_removed_in",
-    "sphinxcontrib_trio",
 ]
 
 # Building PDF docs on readthedocs requires inkscape for svg to pdf
@@ -395,6 +392,22 @@ intersphinx_mapping = {
     "setuptools": ("https://setuptools.pypa.io/en/stable", None),
     "packaging": ("https://packaging.python.org/en/latest", None),
 }
+def check_object_path(key, url, path):
+    if os.path.isfile(path):
+        return {key: (url, path)}
+    return {}
+
+intersphinx_mapping = {}
+intersphinx_mapping.update(
+    check_object_path('python',
+                      'http://docs.python.org/',
+                      '/usr/share/doc/python%d.%d/html/objects.inv' % \
+                       sys.version_info[:2]))
+# The Debian packaging for pluggy does not yet generate the documentation
+intersphinx_mapping.update(
+    check_object_path('pluggy',
+                      'https://pluggy.readthedocs.io/en/latest',
+                      '/usr/share/doc/python3-pluggy/html/objects.inv'))
 
 
 def configure_logging(app: "sphinx.application.Sphinx") -> None: