#1 XML not work when disconnected internet

[bombpersons]

XML parsing doesn't work when disconnected fromt the internet. (this could be just me...)

Gives the following error:
Traceback (most recent call last):
File "run.py", line 18, in <module>
loop.loop()
File "engine/loop/loop.py", line 27, in loop
testmap = map.loadMap.loadMap("data/learnXML.tmx")
File "engine/helper/loadMap/loadMap.py", line 126, in loadMap
parser.parse(filename)
File "/usr/local/lib/python2.6/dist-packages/_xmlplus/sax/expatreader.py", line 109, in parse
xmlreader.IncrementalParser.parse(self, source)
File "/usr/local/lib/python2.6/dist-packages/_xmlplus/sax/xmlreader.py", line 123, in parse
self.feed(buffer)
File "/usr/local/lib/python2.6/dist-packages/_xmlplus/sax/expatreader.py", line 216, in feed
self._parser.Parse(data, isFinal)
File "/usr/local/lib/python2.6/dist-packages/_xmlplus/sax/expatreader.py", line 396, in external_entity_ref
"")
File "/usr/local/lib/python2.6/dist-packages/_xmlplus/sax/saxutils.py", line 523, in prepare_input_source
f = urllib2.urlopen(source.getSystemId())
File "/usr/lib/python2.6/urllib2.py", line 124, in urlopen
return _opener.open(url, data, timeout)
File "/usr/lib/python2.6/urllib2.py", line 383, in open
response = self._open(req, data)
File "/usr/lib/python2.6/urllib2.py", line 401, in _open
'_open', req)
File "/usr/lib/python2.6/urllib2.py", line 361, in _call_chain
result = func(*args)
File "/usr/lib/python2.6/urllib2.py", line 1130, in http_open
return self.do_open(httplib.HTTPConnection, req)
File "/usr/lib/python2.6/urllib2.py", line 1105, in do_open
raise URLError(err)
urllib2.URLError: <urlopen error [Errno -2] Name or service not known>