Partial py3k-ification of Doc/library/: convert has_key references into either 'k in d' or __contains__; normalize raise statements; convert print statements into print function calls.
diff --git a/Doc/library/xml.etree.elementtree.rst b/Doc/library/xml.etree.elementtree.rst
index 0ad3b17..5143320 100644
--- a/Doc/library/xml.etree.elementtree.rst
+++ b/Doc/library/xml.etree.elementtree.rst
@@ -278,10 +278,10 @@
    element = root.find('foo')
 
    if not element: # careful!
-       print "element not found, or element has no subelements"
+       print("element not found, or element has no subelements")
 
    if element is None:
-       print "element not found"
+       print("element not found")
 
 
 .. _elementtree-elementtree-objects: