C2W3_Assignment Exercise 12 Error

[jschoi]

def get_parent_artifacts(store, artifact):

### START CODE HERE ###

# Get the artifact id of the input artifact
artifact_id = artifact.id
#artifact_ids = artifact.id

# Get events associated with the artifact id
artifact_id_events = artifact_id

# From the `artifact_id_events`, get the execution ids of OUTPUT events.
# Cast to a set to remove duplicates if any.
executions_id = set(
  event.execution_id
  for event in store.get_events_by_artifact_ids(artifact_ids)
  if event.type == mlmd.proto.Event.OUTPUT)


# Get the events associated with the execution_id
execution_id_events = execution_id

# From execution_id_events, get the artifact ids of INPUT events.
# Cast to a set to remove duplicates if any.
parent_artifact_ids = set( 
    event.artifact_id
    for event in execution_id_events
    if event.type == metadata_store_pb2.Event.INPUT
)

# Get the list of artifacts associated with the parent_artifact_ids
parent_artifact_list = parent_artifact_ids

### END CODE HERE ###

return parent_artifact_list

---

---

NameError Traceback (most recent call last)
in
3
4 # Retrieve the parent artifacts of the instance
----> 5 parent_artifacts = get_parent_artifacts(store, artifact_instance)
6
7 # Display the results

in get_parent_artifacts(store, artifact)
14 executions_id = set(
15 event.execution_id
—> 16 for event in store.get_events_by_artifact_ids(artifact_ids)
17 if event.type == mlmd.proto.Event.OUTPUT)
18

NameError: name ‘artifact_ids’ is not defined

Expected Output:

Note: The ID numbers may differ.

artifact id type uri
1 Examples ./CsvExampleGen/examples/1
4 Schema ./updated_schema

[chris.favila]

Hi! I see that artifact_ids is commented out. Hence the error. Kindly check the variables you’re using and make sure they’re defined. Hope this helps!

[Wangari]

On this same exercise, I am getting the following error:

The execution id code snippet looks like this:

What do you think I’m missing?