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You added rest_framework to INSTALLED_APPS but get an error: ModuleNotFoundError: No module named 'rest_framework'. What is the likely cause?

medium📝 Debug Q14 of 15
Django - REST Framework Basics
You added rest_framework to INSTALLED_APPS but get an error: ModuleNotFoundError: No module named 'rest_framework'. What is the likely cause?
AYou forgot to install DRF with pip
BYou added 'rest_framework' to MIDDLEWARE instead of INSTALLED_APPS
CYou did not include DRF URLs in <code>urls.py</code>
DYou need to run <code>python manage.py migrate</code> first
Step-by-Step Solution
Solution:
  1. Step 1: Understand the error meaning

    ModuleNotFoundError means Python cannot find the DRF package installed.
  2. Step 2: Check installation status

    This usually happens if you forgot to run pip install djangorestframework.
  3. Final Answer:

    You forgot to install DRF with pip -> Option A
  4. Quick Check:

    ModuleNotFoundError = Missing pip install [OK]
Quick Trick: ModuleNotFoundError means package not installed [OK]
Common Mistakes:
MISTAKES
  • Assuming adding to INSTALLED_APPS installs the package
  • Thinking missing URLs cause this error
  • Running migrate does not fix missing package

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