ModuleNotFoundError when running 07_deploy_task_dag.py

[PingPongSet]

I got the error below when running the code via GitHub CodeSpaces

(snowflake-demo) (base) @PingPongSet ➜ /workspaces/sfguide-data-engineering-with-snowpark-python-intro (main) $ /opt/conda/envs/snowflake-demo/bin/python /workspaces/sfguide-data-engineering-with-snowpark-python-intro/steps/07_deploy_task_dag.py
Traceback (most recent call last):
  File "/workspaces/sfguide-data-engineering-with-snowpark-python-intro/steps/07_deploy_task_dag.py", line 119, in <module>
    from utils import snowpark_utils
ModuleNotFoundError: No module named 'utils'
(snowflake-demo) (base) @PingPongSet ➜ /workspaces/sfguide-data-engineering-with-snowpark-python-intro (main) $ 

any idea?