📚 update doc build config

Author: chfw

templates/docs/conf.py_t

@@ -105,7 +105,8 @@ html_static_path = ['{{ dot }}static']
 # -- Options for intersphinx extension ---------------------------------------
 
 # Example configuration for intersphinx: refer to the Python standard library.
-intersphinx_mapping = {'https://docs.python.org/3/': None}
+intersphinx_mapping = {'python': ('https://docs.python.org/3',
+                                  'python-inv.txt')}
 {%- endif %}
 {%- if 'sphinx.ext.todo' in extensions %}