From 40fb8f455685dbc69d34b51786d40b067bd78383 Mon Sep 17 00:00:00 2001
From: Philippe Proulx <eeppeliteloop@gmail.com>
Date: Thu, 26 Nov 2015 16:59:00 -0500
Subject: [PATCH] checkdocs.py: fix NoneType error

Signed-off-by: Philippe Proulx <eeppeliteloop@gmail.com>
---
 tools/checkdocs.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tools/checkdocs.py b/tools/checkdocs.py
index 9f56a3f..3fc5586 100755
--- a/tools/checkdocs.py
+++ b/tools/checkdocs.py
@@ -101,6 +101,7 @@ def _check_file_links(toc_ids, path, c):
 
         if classes is None:
             _pwarn(path, 'External link has no "ext" class: "{}"'.format(link))
+            classes = []
         else:
             classes = classes.group(1).split(' ')
 
-- 
2.34.1