erro bigbashview

[linukiss@notebook oma-welcome]$ python bigbashview.py
Chameleon >= 2.5 not available. Parser will not work
Traceback (most recent call last):
  File "bigbashview.py", line 24, in <module>
    app.run()
  File "/home/linukiss/Downloads/oma-welcome/bigbashview-omawelcome/usr/share/oma-welcome/bbv/main.py", line 157, in run
    run_server()
  File "/home/linukiss/Downloads/oma-welcome/bigbashview-omawelcome/usr/share/oma-welcome/bbv/server/bbv2server.py", line 82, in run_server
    raise socket.error(e)
socket.error: [Errno 99] Não foi possível acessar o endereço requisitado