Fix readthedocs build fail

docs/conf.py

@@ -55,7 +55,6 @@
 # extensions coming with Sphinx (named 'sphinx.ext.*') or your custom
 # ones.
 extensions = [
-    'sphinx.ext.autodoc',
     'sphinx.ext.coverage',
     'sphinx.ext.doctest',
     'sphinx.ext.graphviz',
@@ -68,8 +67,22 @@
     'sphinx_design',
     'code_annotations.contrib.sphinx.extensions.featuretoggles',
     'code_annotations.contrib.sphinx.extensions.settings',
+    # 'autoapi.extension',  # Temporarily disabled
 ]
 
+# Temporarily disabling autoapi_dirs and the AutoAPI extension due to performance issues.
+# This will unblock ReadTheDocs builds and will be revisited for optimization.
+# autoapi_type = 'python'
+# autoapi_dirs = ['../lms/djangoapps', '../openedx/core/djangoapps', "../openedx/features"]
+#
+# autoapi_ignore = [
+#     '*/migrations/*',
+#     '*/tests/*',
+#     '*.pyc',
+#     '__init__.py',
+#     '**/xblock_serializer/data.py',
+# ]
+
 # Rediraffe related settings.
 rediraffe_redirects = "redirects.txt"
 rediraffe_branch = 'origin/master'
@@ -274,16 +287,9 @@
 
 # Example configuration for intersphinx: refer to the Python standard library.
 intersphinx_mapping = {
-    'django': ('https://docs.djangoproject.com/en/1.11/', 'https://docs.djangoproject.com/en/1.11/_objects/'),
+    'django': ('https://docs.djangoproject.com/en/4.2/', 'https://docs.djangoproject.com/en/4.2/_objects/'),
 }
 
-# Mock out these external modules during code import to avoid errors
-autodoc_mock_imports = [
-    'MySQLdb',
-    'django_mysql',
-    'pymongo',
-]
-
 # Start building a map of the directories relative to the repository root to
 # run sphinx-apidoc against and the directories under "docs" in which to store
 # the generated *.rst files