ValueError: Can't determine a unique package given abbreviation resnet18_8xb16_cifar10.py

[LilySys]

Hi , when i run "mim train resnet18_8xb16_cifar10.py --work-dir tmp --gpus 4 --launcher pytorch", I got the following error:
Traceback (most recent call last):
File "/home/wenli/anaconda3/envs/pytorch1.7_py37/bin/mim", line 8, in
sys.exit(cli())
File "/home/wenli/anaconda3/envs/pytorch1.7_py37/lib/python3.7/site-packages/click/core.py", line 829, in call
return self.main(*args, **kwargs)
File "/home/wenli/anaconda3/envs/pytorch1.7_py37/lib/python3.7/site-packages/click/core.py", line 782, in main
rv = self.invoke(ctx)
File "/home/wenli/anaconda3/envs/pytorch1.7_py37/lib/python3.7/site-packages/click/core.py", line 1259, in invoke
return _process_result(sub_ctx.command.invoke(sub_ctx))
File "/home/wenli/anaconda3/envs/pytorch1.7_py37/lib/python3.7/site-packages/click/core.py", line 1066, in invoke
return ctx.invoke(self.callback, **ctx.params)
File "/home/wenli/anaconda3/envs/pytorch1.7_py37/lib/python3.7/site-packages/click/core.py", line 610, in invoke
return callback(*args, **kwargs)
File "/home/wenli/anaconda3/envs/pytorch1.7_py37/lib/python3.7/site-packages/mim/commands/train.py", line 107, in cli
other_args=other_args)
File "/home/wenli/anaconda3/envs/pytorch1.7_py37/lib/python3.7/site-packages/mim/commands/train.py", line 156, in train
raise ValueError(highlighted_error(msg))
ValueError: Can't determine a unique package given abbreviation resnet18_8xb16_cifar10.py

How can i solve it?