C2_W1 Assignment

Hello everyone,
I am having the following error in the grader after submitting my .ipynb file. However, the history.pkl file passed all tests

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’>.

Any help will be much appreciated. Thank you

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