media scanner not fault tolerant to themoviedb/thetvdb downtimes

themoviedb API is currently down, this breaks badly the media scanner.
No real steps to reproduce as themoviedb/thetvdb downtimes can occur... any time...

Traceback which hangs the scan:

Traceback (most recent call last):
  File "/usr/lib/python2.6/dist-packages/twisted/python/log.py", line 84, in callWithLogger
    return callWithContext({"system": lp}, func, *args, **kw)
  File "/usr/lib/python2.6/dist-packages/twisted/python/log.py", line 69, in callWithContext
    return context.call({ILogContext: newCtx}, func, *args, **kw)
  File "/usr/lib/python2.6/dist-packages/twisted/python/context.py", line 59, in callWithContext
    return self.currentContext().callWithContext(ctx, func, *args, **kw)
  File "/usr/lib/python2.6/dist-packages/twisted/python/context.py", line 37, in callWithContext
    return func(*args,**kw)
--- <exception caught here> ---
  File "/usr/lib/python2.6/dist-packages/twisted/internet/gtk2reactor.py", line 199, in _doReadOrWrite
    why = source.doRead()
  File "/usr/lib/python2.6/dist-packages/twisted/internet/tcp.py", line 463, in doRead
    return self.protocol.dataReceived(data)
  File "/usr/lib/python2.6/dist-packages/twisted/protocols/basic.py", line 231, in dataReceived
    why = self.lineReceived(line)
  File "/home/phil/bzr/moovida1/elisa-plugins/elisa/plugins/http_client/extern/client_http.py", line 290, in lineReceived
    self.inRequests[0].gotInitialLine(line)
  File "/home/phil/bzr/moovida1/elisa-plugins/elisa/plugins/http_client/extern/client_http.py", line 188, in gotInitialLine
    self.code = int(code)
exceptions.ValueError: invalid literal for int() with base 10: 'HTML'
Unhandled error in Deferred:
Traceback (most recent call last):
Failure: exceptions.ValueError: invalid literal for int() with base 10: 'HTML'