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Django NameError: name 'os' is not defined

wsvincent profile image William S. Vincent Originally published at learndjango.com ・1 min read

If you've started a new Django 3.1+ project and are using older tutorials or guides, it's likely to come across the following error on your command line:

NameError: name 'os' is not defined

Starting with Django 3.1, the startproject command generates a settings.py file that imports pathlib rather than os on the top line.

The quick fix is to import os at the top of your settings.py file:

# settings.py
import os # new
from pathlib import Path

The better fix is learn more about how pathlib works and update your BASE_DIR, DATABASES, STATICFILES_DIRS, and other files to use the newer, modern approach.


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