Merge pull request #620 from DeepRank/609_inspect_source_code_clarify_gcroci2

docs: clarify tutorials usage

Author: gcroci2

tutorials/TUTORIAL.md

@@ -7,6 +7,8 @@ The tutorial notebooks in this folder can be run to learn how to use DeepRank2.
   - single-residue variant (SRV) data ([data_generation_srv.ipynb](https://github.com/DeepRank/deeprank2/blob/main/tutorials/data_generation_srv.ipynb)).
 - The [training tutorial](tutorials/training_ppi.ipynb) will demonstrate how to train neural networks using DeepRank2.
 
+For a smooth experience, please run these tutorials within the Jupyter notebooks provided (`.ipynb` files). Running the commands in a Python (interactive) shell or on command line may lead to unexpected errors.
+
 ### Use cases
 
 #### PPIs