RKNN 模型转换

pc端安装的rknn1.4.0,将yolo v4模型转为rknn模型,一直报错E AttributeError: module 'tensorflow.math' has no attribute 'tanh'
E RKNN model data is None, please load model first!
E RKNN model data is None, please load model first!


但是将yolov4 模型换成yolov4-tiny 模型就可以转换,是模型太大了的原因吗,模型235M