bpo-36431: Use PEP 448 dict unpacking for merging two dicts. (GH-12553)
diff --git a/Lib/xml/etree/ElementTree.py b/Lib/xml/etree/ElementTree.py
index c1cf483..b5ad8e1 100644
--- a/Lib/xml/etree/ElementTree.py
+++ b/Lib/xml/etree/ElementTree.py
@@ -169,10 +169,8 @@
if not isinstance(attrib, dict):
raise TypeError("attrib must be dict, not %s" % (
attrib.__class__.__name__,))
- attrib = attrib.copy()
- attrib.update(extra)
self.tag = tag
- self.attrib = attrib
+ self.attrib = {**attrib, **extra}
self._children = []
def __repr__(self):
@@ -451,8 +449,7 @@
additional attributes given as keyword arguments.
"""
- attrib = attrib.copy()
- attrib.update(extra)
+ attrib = {**attrib, **extra}
element = parent.makeelement(tag, attrib)
parent.append(element)
return element