commit 51a85ddce8b336addcb61b96f04c9c5edef07296
author Alex Prengère <2138730+alexprengere@users.noreply.github.com> Tue Mar 30 23:11:29 2021 +0200
committer GitHub <noreply@github.com> Wed Mar 31 00:11:29 2021 +0300
tree 5206be9be09a2523341723e4478c731bee24accb
parent 73b20ae2fb7a5c1374aa5c3719f64c53d29fa0d2

bpo-43399: Fix ElementTree.extend not working on iterators (GH-24751)

Lib/xml/etree/ElementTree.py

diff --git a/Lib/xml/etree/ElementTree.py b/Lib/xml/etree/ElementTree.py
index 168418e..9924680 100644
--- a/Lib/xml/etree/ElementTree.py
+++ b/Lib/xml/etree/ElementTree.py
@@ -252,7 +252,7 @@ def extend(self, elements):
         """
         for element in elements:
             self._assert_is_element(element)
-        self._children.extend(elements)
+            self._children.append(element)
 
     def insert(self, index, subelement):
         """Insert *subelement* at position *index*."""