23  Error Log

23.1 Recommended format

23.1.1 Error

ModuleNotFoundError: No module named 'src'

23.1.2 Context

The notebook was inside a subdirectory and Python could not locate the project package.

23.1.3 Diagnostic check

import sys
from pathlib import Path

print(Path.cwd())
print(*sys.path, sep="\n")

/home/isaias/Descargas/python-field-guide/troubleshooting
/usr/lib/python312.zip
/usr/lib/python3.12
/usr/lib/python3.12/lib-dynload

/home/isaias/Descargas/python-field-guide/.venv/lib/python3.12/site-packages

23.1.4 Lesson

Import problems often depend on the current working directory and project structure.

23.2 Log table

Date	Tool	Error	Cause	Solution
YYYY-MM-DD	Python	Error message	Root cause	Tested fix