[E] Got exception of type ValueError: [list.remove(x): x not in list] while running command ['metaconfig', 'update-machine']
    Function              Line  File
    request_execute         53  /usr/lib/python2.6/dist-packages/spye/frontend/console.py
    meta_update_machine    155  /usr/lib/python2.6/dist-packages/spye/plugins/metaconfig/__init__.py
    update_machine          92  /usr/lib/python2.6/dist-packages/spye/plugins/metaconfig/__init__.py
    execute                351  /usr/lib/python2.6/dist-packages/spye/plugins/metaconfig/scripting.py
    execute                332  /usr/lib/python2.6/dist-packages/spye/plugins/metaconfig/scripting.py
    eval                   210  /usr/lib/python2.6/dist-packages/spye/plugins/metaconfig/scripting.py
    assignminus             43  /usr/lib/python2.6/dist-packages/spye/plugins/metaconfig/__init__.py
    Function              Line  Function             Code
    console.py              53  request_execute      spye.drv_presentation.present(func(*arg, **kwarg))
    __init__.py            155  meta_update_machine  if not self.update_machine():
    __init__.py             92  update_machine       code.execute(context)
    scripting.py           351  execute              value = x.execute(context)
    scripting.py           332  execute              value = self.exp.eval(context)
    scripting.py           210  eval                 elif self.op == '-=' : return context.assignminus(self.left, self.right.eval(context))
    __init__.py             43  assignminus          t.remove(value)
[E] Exception information:
    >> list.remove(x): x not in list