ModuleNotFoundError: No module named 'students.studentapp'

hi all, i is create a django project in pychram and i follow book to create a project but which run command to run server will pop out the error message by ModuleNotFoundError: No module named ‘students.studentapp’. i already many solution to fix but also failed it, can any one can help this issues?
thanks you
below the url is git url:

It’s just from studentapp import views in your urls.py file.

thanks you, error is fixed