diff -r 62235755609f Lib/urllib/request.py
--- a/Lib/urllib/request.py	Mon Aug 03 10:39:09 2015 +1200
+++ b/Lib/urllib/request.py	Tue Aug 04 10:24:31 2015 +1000
@@ -230,6 +230,7 @@
     return result
 
 def urlcleanup():
+    """Clean up temporary files from urlretrieve calls."""
     for temp_file in _url_tempfiles:
         try:
             os.unlink(temp_file)