def cbExamineMbox(result, proto):
 return proto.fetchSpecific('1:*', headerType='HEADER.FIELDS', headerArgs=['SUBJECT']).addCallback(cbFetch, proto)

def cbExamineMbox ( result , proto ) : return proto . fetchSpecific ( '1:*' , headerType = 'HEADER.FIELDS' , headerArgs = [ 'SUBJECT' ] ) . addCallback ( cbFetch , proto )
callback invoked when examine command completes .