when only using half of the return value of os.path.split(), use
os.path.dirname() or os.path.basename() instead
diff --git a/Lib/xml/sax/saxutils.py b/Lib/xml/sax/saxutils.py
index 631159b..11dd25b 100644
--- a/Lib/xml/sax/saxutils.py
+++ b/Lib/xml/sax/saxutils.py
@@ -283,7 +283,7 @@
if source.getByteStream() is None:
sysid = source.getSystemId()
- basehead = os.path.split(os.path.normpath(base))[0]
+ basehead = os.path.dirname(os.path.normpath(base))
sysidfilename = os.path.join(basehead, sysid)
if os.path.isfile(sysidfilename):
source.setSystemId(sysidfilename)