Author: "P. J. McDermott" <pj@pehjota.net>
Forwarded: not-needed
Subject: Use non-None object inventory values in intersphinx_mapping

--- a/docs/conf.py
+++ b/docs/conf.py
@@ -1,5 +1,6 @@
 import re
 import os
+import sys
 
 extensions = ['sphinx.ext.autodoc', 'sphinx.ext.intersphinx',
               'sphinx.ext.coverage']
@@ -15,5 +16,9 @@
 autodoc_member_order = 'bysource'
 autodoc_default_flags = ['members']
 intersphinx_mapping = {
-    'http://docs.python.org/': None,
-    'http://cairographics.org/documentation/pycairo/2/': None}
+    'http://docs.python.org/':
+        '/usr/share/doc/python' +
+        '.'.join([str(x) for x in sys.version_info[0:2]]) +
+        '/html/objects.inv',
+    'http://cairographics.org/documentation/pycairo/2/':
+        '/usr/share/doc/python-cairo-dev/html/objects.inv'}