def result(self, result):
        """ aggregate errors """
        if result and len(result[2]) > 0:
            self.errs.extend([((result[0], result[1]), err) for err in result[2]])
def result ( self , result ) : if result and len ( result [ 2 ] ) > 0 : self . errs . extend ( [ ( ( result [ 0 ] , result [ 1 ] ) , err ) for err in result [ 2 ] ] )
aggregate errors