W1 (code not running) TypeError: the 'package' argument is required to perform a relative import for './deeplearning'

Course Q&A Machine Learning Specialization Supervised ML: Regression and Classification
2

So, you are replicating the assignments on your local computer.

Note that it needs some effort. To create a local environment in your PC/Laptop, read this. It’s a bit complex process, so, you can use Colab. Read this guide.