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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/_weakrefset.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/_weakrefset.py')
-rw-r--r--Lib/_weakrefset.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/Lib/_weakrefset.py b/Lib/_weakrefset.py
index 7f9923c..4d0de8c 100644
--- a/Lib/_weakrefset.py
+++ b/Lib/_weakrefset.py
@@ -98,7 +98,7 @@ class WeakSet:
try:
itemref = self.data.pop()
except KeyError:
- raise KeyError('pop from empty WeakSet')
+ raise KeyError('pop from empty WeakSet') from None
item = itemref()
if item is not None:
return item