diff -ur PyXML-0.8.4.orig/xml/sax/saxutils.py PyXML-0.8.4/xml/sax/saxutils.py

--- PyXML-0.8.4.orig/xml/sax/saxutils.py    2004-11-11 19:02:46.097146160 +0100

+++ PyXML-0.8.4/xml/sax/saxutils.py 2004-11-11 19:07:44.566771880 +0100

@@ -514,10 +514,11 @@

     if source.getByteStream() is None:

         sysid = source.getSystemId()

-        if os.path.isfile(sysid):

-            basehead = os.path.split(os.path.normpath(base))[0]

-            source.setSystemId(os.path.join(basehead, sysid))

-            f = open(sysid, "rb")

+        basehead = os.path.dirname(os.path.normpath(base))

+        sysidfilename = os.path.join(basehead, sysid)

+        if os.path.isfile(sysidfilename):

+            source.setSystemId(sysidfilename)

+            f = open(sysidfilename, "rb")

         else:

             source.setSystemId(urlparse.urljoin(base, sysid))

             f = urllib2.urlopen(source.getSystemId())

​