Error when build model

**Thanks for the great code, I got the following error message when doing the training:**

`vit_base_patch16_224_in21k
=> base model: vit_base_patch16_224_in21k
default cfg {'url': 'https://github.com/rwightman/pytorch-image-models/releases/download/v0.1-vitjx/jx_vit_base_patch16_224_in21k-e5005f0a.pth', 'num_classes': 21843, 'input_size': (3, 224, 224), 'pool_size': None, 'crop_pct': 0.9, 'interpolation': 'bicubic', 'mean': (0.5, 0.5, 0.5), 'std': (0.5, 0.5, 0.5), 'first_conv': 'patch_embed.proj', 'classifier': 'head'}
Traceback (most recent call last):
File "tools/run_net.py", line 45, in
main()
File "tools/run_net.py", line 30, in main
launch_job(cfg=cfg, init_method=args.init_method, func=train)
File "/mnt/lustre/sunweixuan/video-transformers/./slowfast/utils/misc.py", line 259, in launch_job
torch.multiprocessing.spawn(
File "/mnt/lustre/sunweixuan/anaconda3/envs/video/lib/python3.8/site-packages/torch/multiprocessing/spawn.py", line 230, in spawn
return start_processes(fn, args, nprocs, join, daemon, start_method='spawn')
File "/mnt/lustre/sunweixuan/anaconda3/envs/video/lib/python3.8/site-packages/torch/multiprocessing/spawn.py", line 188, in start_processes
while not context.join():
File "/mnt/lustre/sunweixuan/anaconda3/envs/video/lib/python3.8/site-packages/torch/multiprocessing/spawn.py", line 150, in join
raise ProcessRaisedException(msg, error_index, failed_process.pid)
torch.multiprocessing.spawn.ProcessRaisedException:

-- Process 0 terminated with the following error:
Traceback (most recent call last):
File "/mnt/lustre/sunweixuan/anaconda3/envs/video/lib/python3.8/site-packages/torch/multiprocessing/spawn.py", line 59, in _wrap
fn(i, *args)
File "/mnt/lustre/sunweixuan/video-transformers/./slowfast/utils/multiprocessing.py", line 63, in run
ret = func(cfg)
File "/mnt/lustre/sunweixuan/video-transformers/tools/train_net.py", line 361, in train
model = build_model(cfg)
File "/mnt/lustre/sunweixuan/video-transformers/./slowfast/models/build.py", line 38, in build_model
model = MODEL_REGISTRY.get(name)(cfg)
File "/mnt/lustre/sunweixuan/video-transformers/./slowfast/models/video_model_builder.py", line 42, in __init__
self._prepare_base_model(self.cfg.XVIT.BASE_MODEL)
File "/mnt/lustre/sunweixuan/video-transformers/./slowfast/models/video_model_builder.py", line 107, in _prepare_base_model
self.base_model = create_model(
File "/mnt/lustre/sunweixuan/anaconda3/envs/video/lib/python3.8/site-packages/timm/models/factory.py", line 71, in create_model
model = create_fn(pretrained=pretrained, pretrained_cfg=pretrained_cfg, **kwargs)
File "/mnt/lustre/sunweixuan/video-transformers/./slowfast/models/transformers/vit.py", line 469, in vit_base_patch16_224_in21k
model = _create_vision_transformer(
File "/mnt/lustre/sunweixuan/video-transformers/./slowfast/models/transformers/vit.py", line 425, in _create_vision_transformer
model = build_model_with_cfg(
File "/mnt/lustre/sunweixuan/anaconda3/envs/video/lib/python3.8/site-packages/timm/models/helpers.py", line 523, in build_model_with_cfg
model = model_cls(**kwargs) if model_cfg is None else model_cls(cfg=model_cfg, **kwargs)
**TypeError: __init__() got an unexpected keyword argument 'default_cfg'`**

**My guess is it is a timm version problem, I wonder what is your timm version?**