From 5d575399bca935fec36d6a1ba538115406673415 Mon Sep 17 00:00:00 2001
From: Victor Stinner <victor.stinner@gmail.com>
Date: Tue, 6 Jan 2015 14:05:03 +0100
Subject: Issue #23145: regrtest now shows errors and raises an exception if
 loader.loadTestsFromModule() logged errors.

---
 Lib/test/regrtest.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Lib/test/regrtest.py b/Lib/test/regrtest.py
index b633631..ea1287d 100755
--- a/Lib/test/regrtest.py
+++ b/Lib/test/regrtest.py
@@ -1276,6 +1276,10 @@ def runtest_inner(test, verbose, quiet,
                 def test_runner():
                     loader = unittest.TestLoader()
                     tests = loader.loadTestsFromModule(the_module)
+                    for error in loader.errors:
+                        print(error, file=sys.stderr)
+                    if loader.errors:
+                        raise Exception("errors while loading tests")
                     support.run_unittest(tests)
             test_runner()
             if huntrleaks:
-- 
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