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authorSerhiy Storchaka <storchaka@gmail.com>2017-04-05 06:37:24 (GMT)
committerGitHub <noreply@github.com>2017-04-05 06:37:24 (GMT)
commit5affd23e6f42125998724787025080a24839266e (patch)
tree8b7ca82362e78a32805b117d574082d512251d3c /Lib/lib2to3/refactor.py
parent43ba8861e0ad044efafa46a7cc04e12ac5df640e (diff)
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bpo-29762: More use "raise from None". (#569)
This hides unwanted implementation details from tracebacks.
Diffstat (limited to 'Lib/lib2to3/refactor.py')
-rw-r--r--Lib/lib2to3/refactor.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/Lib/lib2to3/refactor.py b/Lib/lib2to3/refactor.py
index c5a1aa2..70b2a00 100644
--- a/Lib/lib2to3/refactor.py
+++ b/Lib/lib2to3/refactor.py
@@ -248,7 +248,7 @@ class RefactoringTool(object):
try:
fix_class = getattr(mod, class_name)
except AttributeError:
- raise FixerError("Can't find %s.%s" % (fix_name, class_name))
+ raise FixerError("Can't find %s.%s" % (fix_name, class_name)) from None
fixer = fix_class(self.options, self.fixer_log)
if fixer.explicit and self.explicit is not True and \
fix_mod_path not in self.explicit: