IndexError: tuple index out of range 报这个错误呢

[yukuilong]

Traceback (most recent call last):
File "convertCaffe.py", line 108, in
convertToCaffe(graph, prototxt_path, caffemodel_path)
File "convertCaffe.py", line 34, in convertToCaffe
graph.channel_dims[edge_name] = graph.shape_dict[edge_name][1]
IndexError: tuple index out of range