Something wrong with my Assignment week1

[Mohsen_Mostafa]

[snippet removed by mentor]

I Don’t know what is wrong with my Programming Assignment for week 1 everything it’s alright and my grade appear that i got 50% only in a grad function

Filename: Graded Functions
0/50Score: 0 of 50
Grader output
Details of failed tests for create_train_val_dirs

Failed test case: create_train_val_dirs has incorrect type.
Expected:
typing.Callable,
but got:
<class ‘NoneType’>.

Details of failed tests for split_data

Failed test case: split_data has incorrect type.
Expected:
typing.Callable,
but got:
<class ‘NoneType’>.

Details of failed tests for train_val_generators

Failed test case: train_val_generators has incorrect type.
Expected:
typing.Callable,
but got:
<class ‘NoneType’>.

Details of failed tests for create_model

Failed test case: create_model has incorrect type.
Expected:
typing.Callable,
but got:
<class ‘NoneType’>.

[balaji.ambresh]

Posting code in a public topic is discouraged and can get your account suspended. It’s okay to share stacktrace on a public post and send code to a mentor via direct message. Here’s the community user guide.

Your notebook has an undefined variable error in the function split_data. There is no variable called SOURCE. Please look at the function signature and fix this issue. There is no issue with the grading infrastructure.