From 5affd23e6f42125998724787025080a24839266e Mon Sep 17 00:00:00 2001 From: Serhiy Storchaka Date: Wed, 5 Apr 2017 09:37:24 +0300 Subject: bpo-29762: More use "raise from None". (#569) This hides unwanted implementation details from tracebacks. --- Lib/shutil.py | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'Lib/shutil.py') diff --git a/Lib/shutil.py b/Lib/shutil.py index bd4760f1a7..31536fe632 100644 --- a/Lib/shutil.py +++ b/Lib/shutil.py @@ -786,7 +786,7 @@ def make_archive(base_name, format, root_dir=None, base_dir=None, verbose=0, try: format_info = _ARCHIVE_FORMATS[format] except KeyError: - raise ValueError("unknown archive format '%s'" % format) + raise ValueError("unknown archive format '%s'" % format) from None func = format_info[0] for arg, val in format_info[1]: @@ -962,7 +962,7 @@ def unpack_archive(filename, extract_dir=None, format=None): try: format_info = _UNPACK_FORMATS[format] except KeyError: - raise ValueError("Unknown unpack format '{0}'".format(format)) + raise ValueError("Unknown unpack format '{0}'".format(format)) from None func = format_info[1] func(filename, extract_dir, **dict(format_info[2])) -- cgit v1.2.1