C2W3: Exercise 12

Course Q&A Machine Learning Engineering for Production(MLOps) Machine Learning Data Lifecycle in Production
1

Hi folks,
I’m stuck at the first part of the Exercise 12, assigning ‘artifact ids’.
When I looked at the discussion here, I seeartifact_id = artifact.id but I found such method nowhere in the TensorFlow document.

The closest thing I found was this which cites store.get_artifact_types_by_id as a method to store artifact ids but when I run the method, I get TypeError: 'Artifact' object is not iterable.

My questions are:

  1. where did anyone find the artifact.id function
  2. why store.get_artifact_types_by_iddoes not work but artifact_id = artifact.id works.

Thank you!

2

get_parent_artifacts takes artifacts that are fetched via MetadataStore.get_artifacts_by_type. This method returns a list of Artifact instances, each of which has id field.

The artifact id has to be provided in order to use MetadataStore.get_artifacts_by_id
The documentation is very well done IMO. Read python typing to understand the docs better.

3

Hi Balaji,
I’ve resolved the situation and submitted the assignment (thank you for your help!)
Now I’m getting zero for my assignment…even though I did not get any error when I run on my jupyternotebook. Could you take a look at it?

The error message says

"There was a problem compiling the code from your notebook. Details:
name 'get_parent_artifacts' is not defined"

If that’s the case, why I’m getting 0 for everything before? Shouldn’t I be passing at least all the exercises before the last one?

Thank you,
Shohei

4

One of 2 things has happened:

  1. The assignment notebook file is corrupt. Please check notebook metadata and refresh the workspace.
  2. If that doesn’t work, it’s possible that there might be a problem with the grading infrastructure. Click my name and message your notebook and expanded screenshot of grader feedback as attachments. Will notify the staff if I can’t find anything odd.
5

I’d think even a short pointer would be helpful. It was a reach for me to make the connection between the artifact and its id and it’s a minor comment update. I suppose though we have the dual relationship of this both being a class and being paid, so it’s a tossup on that front.