Architecture of Python files

In the chapter_08 directory in the GitHub repository, make sure the following files are within your directory:

├── Powerful_ETL_Tools_In_Python.ipynb├── data
│   ├── traffic_crash_people.csv
│   ├── traffic_crash_vehicle.csv
│   └── traffic_crashes.csv
├── etl
│   ├── __init__.py
│   ├── extract.py
│   ├── transform.py
│   └── load.py
├── tools
│   ├── __init__.py
│   ├── 01_bonobo_pipeline.py
│   ├── 02_odo_pipeline.py
│   ...