执行paddleslim/example/full_quantization/picodet/run.py,出现这个对象SchemaDict没有定义'check_or_download_dataset这个属性的错误:请教下这个是什么问题？

 

iuxj@liuxj-desktop:~/fallai/paddleslim/example/full_quantization/picodet$ python run.py --config_path=./configs/picodet_npu_with_postprocess.yaml --save_dir='./output/'Warning: Unable to use JDE/FairMOT/ByteTrack, please install lap, for example: pip install lap, see https://github.com/gatagat/lap----------- Running Arguments -----------Distillation:alpha: 1.0loss: l2Global:Evaluation: Trueinclude_post_process: Trueinput_list: ['image', 'scale_factor']model_dir: ./picodet_s_416_voc_npumodel_filename: model.pdmodelparams_filename: model.pdiparamsreader_config: ./configs/voc_detection.ymlPTQ:activation_quantize_type: moving_average_abs_maxalgo: avgbatch_nums: 10batch_size: 32onnx_format: Falsequantizable_op_type: ['conv2d', 'depthwise_conv2d']QuantAware:activation_bits: 8activation_quantize_type: moving_average_abs_maxquantize_op_types: ['conv2d', 'depthwise_conv2d']use_pact: Trueweight_bits: 8TrainConfig:eval_iter: 1000learning_rate:T_max: 8000learning_rate: 1e-05type: CosineAnnealingDecayoptimizer_builder:optimizer:type: SGDweight_decay: 4e-05train_iter: 8000Traceback (most recent call last):File "run.py", line 170, in main()File "run.py", line 126, in maintrain_loader = create('TrainReader')(reader_cfg['TrainDataset'],File "/usr/local/lib/python3.8/dist-packages/paddledet-2.6.0-py3.8.egg/ppdet/data/reader.py", line 167, in callself.dataset.check_or_download_dataset()AttributeError: 'SchemaDict' object has no attribute 'check_or_download_dataset'

帮忙看看是什么原因？