tflite转rknn失败

用movenet官方tflite模型生成rknn模型时，load model失败请问时op不支持吗？
--> Loading model
E Catch exception when loading tflite model: ./movenet_thunder/model_float32.tflite!
E Traceback (most recent call last):
E   File "rknn/base/RKNNlib/converter/tflite_loader.py", line 533, in rknn.base.RKNNlib.converter.tflite_loader.ModelParser.parse
E   File "rknn/base/RKNNlib/converter/tflite_loader.py", line 463, in rknn.base.RKNNlib.converter.tflite_loader.ModelParser._build_layers
E   File "rknn/base/RKNNlib/converter/tflite_loader.py", line 298, in rknn.base.RKNNlib.converter.tflite_loader.ModelParser._get_layer_RKNN_op
E   File "rknn/base/RKNNlib/converter/lite/RKNN_map_op.py", line 844, in rknn.base.RKNNlib.converter.lite.RKNN_map_op.RKNNMapOp.map_RKNN_ops
E   File "rknn/base/RKNNlib/converter/lite/RKNN_map_op.py", line 811, in rknn.base.RKNNlib.converter.lite.RKNN_map_op._cast
E AttributeError: 'NoneType' object has no attribute 'InDataType'
E Please feedback the detailed log file <log_feedback_to_the_rknn_toolkit_dev_team.log> to the RKNN Toolkit development team.
E You can also check github issues: https://github.com/rockchip-linux/rknn-toolkit/issues
done
--> Building model

你这log还没有看到op不支持，先试试这个模型在当前环境中能否加载推理