.

docs/conf.py

@@ -30,15 +30,21 @@
 # Add any Sphinx extension module names here, as strings. They can be
 # extensions coming with Sphinx (named 'sphinx.ext.*') or your custom
 # ones.
-# extensions = [
-#     "sphinx.ext.duration",
-#     "sphinx.ext.doctest",
-#     "sphinx.ext.autodoc",
-#     "sphinx.ext.autosummary",
-#     "sphinx.ext.intersphinx",
-# ]
-#
-# intersphinx_disabled_domains = ["std"]
+extensions = [
+    "sphinx.ext.duration",
+    "sphinx.ext.doctest",
+    "sphinx.ext.autodoc",
+    "sphinx.ext.autosummary",
+    "sphinx.ext.intersphinx",
+]
+
+intersphinx_mapping = {
+    "rtd": ("https://docs.readthedocs.io/en/stable/", None),
+    "python": ("https://docs.python.org/3/", None),
+    "sphinx": ("https://www.sphinx-doc.org/en/master/", None),
+}
+
+intersphinx_disabled_domains = ["std"]
 
 # Add any paths that contain templates here, relative to this directory.
 templates_path = ['_templates']