Update dependencies

Author: Dekker1

docs/conf.py

@@ -194,4 +194,4 @@
 # -- Options for intersphinx extension ---------------------------------------
 
 # 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)}