def _start_machine(machine, session):
 try:
  return machine.launchVMProcess(session, '', '')
 except Exception as e:
  log.debug(e.message, exc_info=True)
  return None

def _start_machine ( machine , session ) : try : return machine . launchVMProcess ( session , '' , '' ) except Exception as e : log . debug ( e . message , exc_info = True ) return None
helper to try and start machines .