commit da0847048aa7f934573fa449cea8643def056aa5
author Serhiy Storchaka <storchaka@gmail.com> Wed Mar 27 08:02:28 2019 +0200
committer GitHub <noreply@github.com> Wed Mar 27 08:02:28 2019 +0200
tree ab70f219c1e98984908b04a175ced3a155df7036
parent 384b81d923addd52125e94470b11d2574ca266a9

bpo-36431: Use PEP 448 dict unpacking for merging two dicts. (GH-12553)

Lib/xml/sax/saxutils.py

diff --git a/Lib/xml/sax/saxutils.py b/Lib/xml/sax/saxutils.py
index a69c7f7..b4fc2da 100644
--- a/Lib/xml/sax/saxutils.py
+++ b/Lib/xml/sax/saxutils.py
@@ -56,8 +56,7 @@
     the optional entities parameter.  The keys and values must all be
     strings; each key will be replaced with its corresponding value.
     """
-    entities = entities.copy()
-    entities.update({'\n': '
', '\r': '
', '\t':'	'})
+    entities = {**entities, '\n': '
', '\r': '
', '\t':'	'}
     data = escape(data, entities)
     if '"' in data:
         if "'" in data: