Closes #14511: fix wrong opensearch link for 3.2 docs.

Doc/conf.py

@@ -91,7 +91,7 @@ html_additional_pages = {
 }
 
 # Output an OpenSearch description file.
-html_use_opensearch = 'http://docs.python.org/dev/py3k'
+html_use_opensearch = 'http://docs.python.org/3.2'
 
 # Additional static files.
 html_static_path = ['tools/sphinxext/static']