Only in simpletal: files
diff -ur simpletal.orig/simpletal-4.2.ebuild simpletal/simpletal-4.2.ebuild
--- simpletal.orig/simpletal-4.2.ebuild	2010-06-29 12:39:57.000000000 +0800
+++ simpletal/simpletal-4.2.ebuild	2011-12-03 01:33:22.047061062 +0800
@@ -7,7 +7,7 @@
 SUPPORT_PYTHON_ABIS="1"
 RESTRICT_PYTHON_ABIS="2.4 3.*"
 
-inherit distutils
+inherit distutils eutils
 
 MY_PN="SimpleTAL"
 MY_P="${MY_PN}-${PV}"
@@ -26,6 +26,10 @@
 
 S="${WORKDIR}/${MY_P}"
 
+src_prepare() {
+	epatch "${FILESDIR}"/${PF}-xml.patch || die
+}
+
 src_test() {
 	sed -e "s/^TEMP_DIR=.*/TEMP_DIR=os.curdir/" -i tests/TALUtilsTests/TemplateCacheTestCases.py || die "sed failed"
 
diff -ur SimpleTAL-4.2.orig/lib/simpletal/simpleTAL.py SimpleTAL-4.2/lib/simpletal/simpleTAL.py
--- lib/simpletal/simpleTAL.py	2007-07-28 01:35:23.000000000 +0800
+++ lib/simpletal/simpleTAL.py	2011-12-03 01:29:12.838060958 +0800
@@ -38,7 +38,10 @@
 	import logging
 except:
 	import DummyLogger as logging
-	
+
+import xml
+if hasattr(xml, "use_pyxml"):
+    xml.use_pyxml()	
 import xml.sax, cgi, StringIO, codecs, re, sgmlentitynames, types
 import simpletal, copy, sys
 import FixedHTMLParser