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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/xml
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/xml')
-rw-r--r--Lib/xml/dom/xmlbuilder.py2
-rw-r--r--Lib/xml/etree/ElementPath.py2
2 files changed, 2 insertions, 2 deletions
diff --git a/Lib/xml/dom/xmlbuilder.py b/Lib/xml/dom/xmlbuilder.py
index e9a1536..60a2bc3 100644
--- a/Lib/xml/dom/xmlbuilder.py
+++ b/Lib/xml/dom/xmlbuilder.py
@@ -80,7 +80,7 @@ class DOMBuilder:
settings = self._settings[(_name_xform(name), state)]
except KeyError:
raise xml.dom.NotSupportedErr(
- "unsupported feature: %r" % (name,))
+ "unsupported feature: %r" % (name,)) from None
else:
for name, value in settings:
setattr(self._options, name, value)
diff --git a/Lib/xml/etree/ElementPath.py b/Lib/xml/etree/ElementPath.py
index ab6b79a..361f6d5 100644
--- a/Lib/xml/etree/ElementPath.py
+++ b/Lib/xml/etree/ElementPath.py
@@ -80,7 +80,7 @@ def xpath_tokenizer(pattern, namespaces=None):
raise KeyError
yield token[0], "{%s}%s" % (namespaces[prefix], uri)
except KeyError:
- raise SyntaxError("prefix %r not found in prefix map" % prefix)
+ raise SyntaxError("prefix %r not found in prefix map" % prefix) from None
else:
yield token