Fix Admin on Django 5.2 (see #608)

[steven-douilliet]

See #608

Hello,

The bug is not fixed:

root@1b5cf035ea38:/opt/nano# pip list | grep Django
Django                         5.2.1
root@1b5cf035ea38:/opt/nano# pip list | grep django-constance
django-constance               4.3.2

Traceback (most recent call last):
  File "/usr/local/bin/nano-manage", line 43, in <module>
    main()
  File "/usr/local/bin/nano-manage", line 39, in main
    execute_from_command_line(sys.argv)
  File "/usr/local/lib/python3.12/site-packages/django/core/management/__init__.py", line 442, in execute_from_command_line
    utility.execute()
  File "/usr/local/lib/python3.12/site-packages/django/core/management/__init__.py", line 416, in execute
    django.setup()
  File "/usr/local/lib/python3.12/site-packages/django/__init__.py", line 24, in setup
    apps.populate(settings.INSTALLED_APPS)
  File "/usr/local/lib/python3.12/site-packages/django/apps/registry.py", line 124, in populate
    app_config.ready()
  File "/usr/local/lib/python3.12/site-packages/nano/jobs/apps.py", line 13, in ready
    super().ready()
  File "/usr/local/lib/python3.12/site-packages/nano/core/apps/__init__.py", line 54, in ready
    self.register_navigation()
  File "/usr/local/lib/python3.12/site-packages/nano/core/apps/__init__.py", line 59, in register_navigation
    self._import_object(f"{self.name}.{self.nagivation_module_name}")
  File "/usr/local/lib/python3.12/site-packages/nano/core/apps/__init__.py", line 38, in _import_object
    return importlib.import_module(path)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/importlib/__init__.py", line 90, in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "<frozen importlib._bootstrap>", line 1387, in _gcd_import
  File "<frozen importlib._bootstrap>", line 1360, in _find_and_load
  File "<frozen importlib._bootstrap>", line 1331, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 935, in _load_unlocked
  File "<frozen importlib._bootstrap_external>", line 999, in exec_module
  File "<frozen importlib._bootstrap>", line 488, in _call_with_frames_removed
  File "/usr/local/lib/python3.12/site-packages/nano/jobs/navigation.py", line 14, in <module>
    NavSubMenuItem(
  File "/usr/local/lib/python3.12/site-packages/nano/ui/navigation/mixins.py", line 183, in __init__
    self.path = reverse(
                ^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/django/urls/base.py", line 64, in reverse
    app_list = resolver.app_dict[ns]
               ^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/django/urls/resolvers.py", line 637, in app_dict
    self._populate()
  File "/usr/local/lib/python3.12/site-packages/django/urls/resolvers.py", line 548, in _populate
    for url_pattern in reversed(self.url_patterns):
                                ^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/django/utils/functional.py", line 47, in __get__
    res = instance.__dict__[self.name] = self.func(instance)
                                         ^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/django/urls/resolvers.py", line 718, in url_patterns
    patterns = getattr(self.urlconf_module, "urlpatterns", self.urlconf_module)
                       ^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/django/utils/functional.py", line 47, in __get__
    res = instance.__dict__[self.name] = self.func(instance)
                                         ^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/django/urls/resolvers.py", line 711, in urlconf_module
    return import_module(self.urlconf_name)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/importlib/__init__.py", line 90, in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "<frozen importlib._bootstrap>", line 1387, in _gcd_import
  File "<frozen importlib._bootstrap>", line 1360, in _find_and_load
  File "<frozen importlib._bootstrap>", line 1331, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 935, in _load_unlocked
  File "<frozen importlib._bootstrap_external>", line 999, in exec_module
  File "<frozen importlib._bootstrap>", line 488, in _call_with_frames_removed
  File "/usr/local/lib/python3.12/site-packages/nano/core/urls.py", line 13, in <module>
    from nano.ui import views
  File "/usr/local/lib/python3.12/site-packages/nano/ui/views/__init__.py", line 5, in <module>
    from nano.ui.views import generic
  File "/usr/local/lib/python3.12/site-packages/nano/ui/views/generic/__init__.py", line 11, in <module>
    from .list import ObjectListView
  File "/usr/local/lib/python3.12/site-packages/nano/ui/views/generic/list.py", line 34, in <module>
    from nano.users.forms import UserTablePreferenceForm
  File "/usr/local/lib/python3.12/site-packages/nano/users/forms.py", line 20, in <module>
    from nano.core.forms import PrimaryModelForm
  File "/usr/local/lib/python3.12/site-packages/nano/core/forms.py", line 2, in <module>
    from nano.ui.forms.fields import GenericForeignKeyFormField
  File "/usr/local/lib/python3.12/site-packages/nano/ui/forms/__init__.py", line 6, in <module>
    from .constances import ConstanceForm
  File "/usr/local/lib/python3.12/site-packages/nano/ui/forms/constances.py", line 6, in <module>
    from constance.admin import FIELDS
  File "/usr/local/lib/python3.12/site-packages/constance/admin.py", line 211, in <module>
    admin.site.register([Config], ConstanceAdmin)
  File "/usr/local/lib/python3.12/site-packages/django/contrib/admin/sites.py", line 116, in register
    if model._meta.is_composite_pk:
       ^^^^^^^^^^^^^^^^^^^^^^^^^^^
AttributeError: 'Meta' object has no attribute 'is_composite_pk'