diff --git a/runtime/autoload/python.vim b/runtime/autoload/python.vim
index d5f4862..cf01198 100644
--- a/runtime/autoload/python.vim
+++ b/runtime/autoload/python.vim
@@ -20,10 +20,12 @@
 let s:maxoff = 50       " maximum number of lines to look backwards for ()
 
 function s:SearchBracket(fromlnum, flags)
+  " VIM_INDENT_TEST_TRACE_START
   return searchpairpos('[[({]', '', '[])}]', a:flags,
           \ {-> synstack('.', col('.'))
           \ ->indexof({_, id -> synIDattr(id, 'name') =~ '\%(Comment\|Todo\|String\)$'}) >= 0},
           \ [0, a:fromlnum - s:maxoff]->max(), g:python_indent.searchpair_timeout)
+  " VIM_INDENT_TEST_TRACE_END python#s:SearchBracket
 endfunction
 
 " See if the specified line is already user-dedented from the expected value.