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bpo-9495: avoid confusing chained exception in argparse test (GH-17120)

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alclarks 2020-02-21 08:48:36 +00:00 • committed by GitHub
parent 424e5686d8
commit d4331c56b4
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2 changed files with 3 additions and 1 deletions
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3
Lib/test/test_argparse.py
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@ -105,7 +105,8 @@ def stderr_to_parser_error(parse_args, *args, **kwargs):
code = sys.exc_info()[1].code
stdout = sys.stdout.getvalue()
stderr = sys.stderr.getvalue()
raise ArgumentParserError("SystemExit", stdout, stderr, code)
raise ArgumentParserError(
"SystemExit", stdout, stderr, code) from None
finally:
sys.stdout = old_stdout
sys.stderr = old_stderr