运行mobilenet_v1 Demo 报错

--> config model
done
--> Loading model
done
--> Building model
E Catch exception when building RKNN model!
T Traceback (most recent call last):
T   File "rknn/api/rknn_base.py", line 459, in rknn.api.rknn_base.RKNNBase.build
T   File "rknn/api/rknn_base.py", line 952, in rknn.api.rknn_base.RKNNBase._quantize
T   File "rknn/base/RKNNlib/app/tensorzone/workspace.py", line 231, in rknn.base.RKNNlib.app.tensorzone.workspace.Workspace.load_data
T   File "rknn/base/RKNNlib/app/tensorzone/graph.py", line 32, in rknn.base.RKNNlib.app.tensorzone.graph.Graph.load_data
T   File "rknn/base/RKNNlib/RKNNnet.py", line 379, in rknn.base.RKNNlib.RKNNnet.RKNNNet.load_data
T   File "rknn/base/RKNNlib/RKNNnet.py", line 391, in rknn.base.RKNNlib.RKNNnet.RKNNNet._load_old_data
T   File "rknn/base/RKNNlib/RKNNnet.py", line 392, in rknn.base.RKNNlib.RKNNnet.RKNNNet._load_old_data
T   File "/usr/local/lib/python3.6/dist-packages/numpy/lib/npyio.py", line 453, in load
T     pickle_kwargs=pickle_kwargs)
T   File "/usr/local/lib/python3.6/dist-packages/numpy/lib/format.py", line 722, in read_array
T     raise ValueError("Object arrays cannot be loaded when "
T ValueError: Object arrays cannot be loaded when allow_pickle=False
Build mobilenet_v1 failed!

结题，原因是　　rknn-tool  没更新到１.0