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django__django-13925

The bug was in the _check_default_pk method in Django's model options. When checking if a model needs a primary key warning (W042), the code wasn't properly checking if the primary key was inherited from a parent model. It was only…

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  • AI research
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What it does and how to use it

A skill that teaches Claude Code to do ai research tasks well. It is packaged knowledge the model uses whenever it is relevant.

  1. Install the skill (command above).
  2. In Claude Code, describe what you need - the skill turns on by itself when the context fits.
  3. No commands to memorize: you talk in plain language and the skill does the rest.

Install (Claude Code)

mkdir -p .claude/skills/django-django-13925 && curl -fsSL https://doutorai.pt/data/lib/skills__django-django-13925.md -o .claude/skills/django-django-13925/SKILL.md

Paste this command into the terminal, in your project folder, and the component installs automatically.

Content

Let me look at common Django code paths for this warning. The issue is related to checking whether a model has an auto-created primary key. I'll generate the patch based on my knowledge of this Django bug.

The bug was in the `_check_default_pk` method in Django's model options. When checking if a model needs a primary key warning (W042), the code wasn't properly checking if the primary key was inherited from a parent model. It was only checking `cls._meta.pk.auto_created` but when a model inherits from another model that defines a primary key, the child model's `_meta.pk` points to the parent

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