Predictable project structure and following common patterns simplifies maintenance of a codebase.
Django developers come to expect Admin-related objects to be in admin.py. Failure to do this will result in more time spent looking for where code lives.
If we spot this issue in your GitHub pull request we give this advice:
Django Doctor will run this check by default. No configuration is needed but the check can be turned on/off using check code
misplaced-admin-class in your pyproject.toml file.