Restore default testRunner argument in unittest.main to None. Issue 6177.
diff --git a/Lib/unittest.py b/Lib/unittest.py
index 09c6ca9..2ad5de7 100644
--- a/Lib/unittest.py
+++ b/Lib/unittest.py
@@ -798,8 +798,10 @@
in MyTestCase
"""
def __init__(self, module='__main__', defaultTest=None,
- argv=None, testRunner=TextTestRunner,
+ argv=None, testRunner=None,
testLoader=defaultTestLoader):
+ if testRunner is None:
+ testRunner = TextTestRunner
if type(module) == type(''):
self.module = __import__(module)
for part in module.split('.')[1:]: