Message 196406 - Python tracker

This might fix it (untested):

diff -r d748d7020192 Lib/test/test_doctest.py
--- a/Lib/test/test_doctest.py	Sat Aug 03 10:09:25 2013 -0400
+++ b/Lib/test/test_doctest.py	Wed Aug 28 15:35:58 2013 -0400
@@ -2329,6 +2329,8 @@
 
     Now, when we run the test:
 
+      >>> suite = doctest.DocFileSuite('test_doctest.txt',
+      ...                          optionflags=doctest.DONT_ACCEPT_BLANKLINE)
       >>> result = suite.run(unittest.TestResult())
       >>> print(result.failures[0][1]) # doctest: +ELLIPSIS
       Traceback ...