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Fix a bug in traceback.format_exception_only() that led to an error

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being raised when print_exc() was called without an exception set.
In version 2.4, this printed "None", restored that behavior.
This commit is contained in:
Georg Brandl 2006-09-24 12:50:24 +00:00
parent a10d3afed2
commit c7986cee76
3 changed files with 9 additions and 1 deletions
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4
Lib/test/test_traceback.py
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@ -149,6 +149,10 @@ def test():
str_value = '<unprintable %s object>' % X.__name__
self.assertEqual(err[0], X.__name__ + ': ' + str_value + '\n')
def test_without_exception(self):
err = traceback.format_exception_only(None, None)
self.assertEqual(err, ['None\n'])
def test_main():
run_unittest(TracebackCases)