models not defined,how can i fix it

[zzc-ai]

Traceback (most recent call last):
File "tools/test.py", line 144, in
main()
File "tools/test.py", line 67, in main
module = eval('models.'+config.MODEL.NAME)
File "", line 1, in
NameError: name 'models' is not defined

[Yuanlin Wang]

I use the method:
in train.py

from lib.models import seg_hrnet_ocr
model = eval(config.MODEL.NAME +
'.get_seg_model')(config)