def check_sffinfo():
 if (not which('sffinfo')):
  raise ApplicationNotFoundError((_MISSING_APP_MESSAGE % 'sffinfo'))

def check_sffinfo ( ) : if ( not which ( 'sffinfo' ) ) : raise ApplicationNotFoundError ( ( _MISSING_APP_MESSAGE % 'sffinfo' ) )
raise error if sffinfo is not in $path .