django-admin shell raises AppRegistryNotReady

[Raffaella]

I tried to open the shell with django-admin shell after installing Django 5.2b1, but I got this error. The problem could be related to the new feature of automatic models import in the shell.

Traceback (most recent call last):
  File "/Users/raffi/PycharmProjects/debug-tutorial/.venv/bin/django-admin", line 8, in <module>
    sys.exit(execute_from_command_line())
             ~~~~~~~~~~~~~~~~~~~~~~~~~^^
  File "/Users/raffi/PycharmProjects/debug-tutorial/.venv/lib/python3.13/site-packages/django/core/management/__init__.py", line 442, in execute_from_command_line
    utility.execute()
    ~~~~~~~~~~~~~~~^^
  File "/Users/raffi/PycharmProjects/debug-tutorial/.venv/lib/python3.13/site-packages/django/core/management/__init__.py", line 436, in execute
    self.fetch_command(subcommand).run_from_argv(self.argv)
    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^
  File "/Users/raffi/PycharmProjects/debug-tutorial/.venv/lib/python3.13/site-packages/django/core/management/base.py", line 416, in run_from_argv
    self.execute(*args, **cmd_options)
    ~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^
  File "/Users/raffi/PycharmProjects/debug-tutorial/.venv/lib/python3.13/site-packages/django/core/management/base.py", line 460, in execute
    output = self.handle(*args, **options)
  File "/Users/raffi/PycharmProjects/debug-tutorial/.venv/lib/python3.13/site-packages/django/core/management/commands/shell.py", line 250, in handle
    return getattr(self, shell)(options)
           ~~~~~~~~~~~~~~~~~~~~^^^^^^^^^
  File "/Users/raffi/PycharmProjects/debug-tutorial/.venv/lib/python3.13/site-packages/django/core/management/commands/shell.py", line 70, in python
    imported_objects = self.get_namespace(**options)
  File "/Users/raffi/PycharmProjects/debug-tutorial/.venv/lib/python3.13/site-packages/django/core/management/commands/shell.py", line 153, in get_namespace
    path_imports = self.get_auto_imports()
  File "/Users/raffi/PycharmProjects/debug-tutorial/.venv/lib/python3.13/site-packages/django/core/management/commands/shell.py", line 144, in get_auto_imports
    for model in reversed(apps.get_models())
                          ~~~~~~~~~~~~~~~^^
  File "/Users/raffi/PycharmProjects/debug-tutorial/.venv/lib/python3.13/site-packages/django/apps/registry.py", line 181, in get_models
    self.check_models_ready()
    ~~~~~~~~~~~~~~~~~~~~~~~^^
  File "/Users/raffi/PycharmProjects/debug-tutorial/.venv/lib/python3.13/site-packages/django/apps/registry.py", line 143, in check_models_ready
    raise AppRegistryNotReady("Models aren't loaded yet.")
django.core.exceptions.AppRegistryNotReady: Models aren't loaded yet.

[Sarah Boyce]

Thank you for testing!

[Sarah Boyce <42296566+sarahboyce@…>]

In de1117ea:

Fixed #36224 -- Fixed shell imports when settings not configured.

Thank you Raffaella for the report. Thank you Tim Schilling and Natalia Bidart
for the reviews.

[Sarah Boyce <42296566+sarahboyce@…>]

In 4c7b737b:

[5.2.x] Fixed #36224 -- Fixed shell imports when settings not configured.

Thank you Raffaella for the report. Thank you Tim Schilling and Natalia Bidart
for the reviews.

Backport of de1117ea8eabe0ee0aa048e5a4e249eab7c4245e from main.