Use course datasets

Well, what is that error message referring to? It’s not the dataset files, right? It’s the file If you’re going to run the notebooks “as is” on your local machine you have to download all the files, not just the data input files. There’s a topic about how to do that on the DLS FAQ Thread.

The first rule of debugging is “believe the error message”. If you don’t understand what it means, that is the first problem you need to solve. :nerd_face: