Index: vim/runtime/ftplugin/python.vim
===================================================================
--- vim/runtime/ftplugin/python.vim.orig
+++ vim/runtime/ftplugin/python.vim
@@ -14,6 +14,9 @@
 setlocal comments-=:%
 setlocal commentstring=#%s
 
+" Debian patch: use pydoc for keyword lookup
+setlocal keywordprg=pydoc
+
 setlocal omnifunc=pythoncomplete#Complete
 
 set wildignore+=*.pyc