From: alclarks <57201106+alclarks@users.noreply.github.com>
Date: Fri, 21 Feb 2020 08:48:36 +0000 (+0000)
Subject: bpo-9495: avoid confusing chained exception in argparse test (GH-17120)
X-Git-Tag: v3.9.0a4~20
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=d4331c56b4f6fe6f18caf19fc1ecf9fec14f7066;p=thirdparty%2FPython%2Fcpython.git

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

diff --git a/Lib/test/test_argparse.py b/Lib/test/test_argparse.py
index b095783a02e1..9899a53d6d19 100644
--- a/Lib/test/test_argparse.py
+++ b/Lib/test/test_argparse.py
@@ -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
diff --git a/Misc/ACKS b/Misc/ACKS
index b11ee9cdea67..976c26eb9117 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -312,6 +312,7 @@ Gilles Civario
 Chris Clark
 Diana Clarke
 Laurie Clark-Michalek
+Alexander Clarkson
 Mike Clarkson
 Andrew Clegg
 Brad Clements