cannot import name 'get_join_output_columns' from 'ai.chronon.repo.validator'

[lilyleking]

Hi,

I have setup chronon both locally and on DataProc GCE. I tried to replicate the example Kaggle_Outbrain, but receive this error below.

Can anyone please help? Many thanks in advance!

Traceback (most recent call last):
  File "/Users/$user/chronon/api/py/ai/chronon/repo/compile.py", line 33, in <module>
    from ai.chronon.repo.validator import ChrononRepoValidator, get_join_output_columns, get_group_by_output_columns
ImportError: cannot import name 'get_join_output_columns' from 'ai.chronon.repo.validator' (/Users/$user/stda-airflow-dags/.venv/lib/python3.11/site-packages/ai/chronon/repo/validator.py)