Fix docs build

docs/source/conf.py

@@ -114,7 +114,7 @@
 todo_include_todos = True
 
 # Example configuration for intersphinx: refer to the Python standard library.
-intersphinx_mapping = {'https://docs.python.org/': None}
+intersphinx_mapping = {"python": ('https://docs.python.org/3', None)}
 
 # -- Options for HTML output ----------------------------------------------