[1.8.x] Refs #25381 -- Clarified that AppConfig model methods search only the current app.

.. method:: AppConfig.get_models()

    Returns an iterable of :class:`~django.db.models.Model` classes.

    Returns an iterable of :class:`~django.db.models.Model` classes for this

    application.

.. method:: AppConfig.get_model(model_name)

    Returns the :class:`~django.db.models.Model` with the given

    ``model_name``. Raises :exc:`LookupError` if no such model exists.

    ``model_name`` is case-insensitive.

    ``model_name``. Raises :exc:`LookupError` if no such model exists in this

    application. ``model_name`` is case-insensitive.

.. method:: AppConfig.ready()