extract.py gives errors

[KaidNassima]

hello , thank you for yr amazing work
i keep getting these errors , if u can enlighten me how i can solve it

Traceback (most recent call last):
File "/path /to/extract.py", line 7, in
from model import get_model
File "/path/to/model.py", line 4, in
from videocnn.models import resnext
ModuleNotFoundError: No module named 'videocnn'