code: def siblings(client, revision, paths):
      
      graph = Graph(client)
      nodes = graph.build(paths=paths, revision=revision)
      siblings_ = set(nodes)
      for node in nodes:
          siblings_ |= graph.siblings(node)
  
      paths = {node.path for node in siblings_}
      for path in paths:
          click.echo(graph._format_path(path))
docs: Show siblings for given paths.