'The DeletePipeline operation removes a pipeline.
You can only delete a pipeline that has never been used or
that is not currently in use (doesn\'t contain any active
jobs). If the pipeline is currently in use, `DeletePipeline`
returns an error.
:type id: string
:param id: The identifier of the pipeline that you want to delete.'

def delete_pipeline(self, id=None):

    uri = '/2012-09-25/pipelines/{0}'.format(id)
    return self.make_request('DELETE', uri, expected_status=202)
