Fix Issue10205 - XML QName error when different tags have same QName.
diff --git a/Lib/test/test_xml_etree.py b/Lib/test/test_xml_etree.py
index e802359..08f7988 100644
--- a/Lib/test/test_xml_etree.py
+++ b/Lib/test/test_xml_etree.py
@@ -1119,6 +1119,11 @@
>>> elem = ET.Element(ET.QName("uri", "tag"))
>>> serialize(elem) # 1.3
'<ns0:tag xmlns:ns0="uri" />'
+ >>> elem = ET.Element(ET.QName("uri", "tag"))
+ >>> subelem = ET.SubElement(elem, ET.QName("uri", "tag1"))
+ >>> subelem = ET.SubElement(elem, ET.QName("uri", "tag2"))
+ >>> serialize(elem) # 1.4
+ '<ns0:tag xmlns:ns0="uri"><ns0:tag1 /><ns0:tag2 /></ns0:tag>'
2) decorated attributes
diff --git a/Lib/xml/etree/ElementTree.py b/Lib/xml/etree/ElementTree.py
index 9f5717e..75fbea9 100644
--- a/Lib/xml/etree/ElementTree.py
+++ b/Lib/xml/etree/ElementTree.py
@@ -913,8 +913,9 @@
iterate = elem.getiterator # cET compatibility
for elem in iterate():
tag = elem.tag
- if isinstance(tag, QName) and tag.text not in qnames:
- add_qname(tag.text)
+ if isinstance(tag, QName):
+ if tag.text not in qnames:
+ add_qname(tag.text)
elif isinstance(tag, str):
if tag not in qnames:
add_qname(tag)