def __str__(self):
        """Runs the pipeline and returns its standrad out output as a string"""
        return "\n".join(iter(self.run([redir.Redirect("stdout", redir.PIPE)])))
def __str__ ( self ) : return "\n" . join ( iter ( self . run ( [ redir . Redirect ( "stdout" , redir . PIPE ) ] ) ) )
Runs the pipeline and returns its standrad out output as a string