Return a list of pipeline objects that compose the pipeline

    pipeline_objects_from_pillars
        The pillar key to use for lookup

    pipeline_object_overrides
        Pipeline objects to use. Will override objects read from pillars.

def _pipeline_objects(pipeline_objects_from_pillars, pipeline_object_overrides):
    '''
    Return a list of pipeline objects that compose the pipeline

    pipeline_objects_from_pillars
        The pillar key to use for lookup

    pipeline_object_overrides
        Pipeline objects to use. Will override objects read from pillars.
    '''
    from_pillars = copy.deepcopy(__salt__['pillar.get'](pipeline_objects_from_pillars))
    from_pillars.update(pipeline_object_overrides)
    pipeline_objects = _standardize(_dict_to_list_ids(from_pillars))
    for pipeline_object in pipeline_objects:
        pipeline_object['fields'] = _properties_from_dict(pipeline_object['fields'])
    return pipeline_objects