问Django 4.0.1 django.core.exceptions.AppRegistryNotReady:模型尚未加载。当我跑去做迁移

EN

$python manage.py makemigrations
Traceback (most recent call last):
  File "/Users/raymond/Documents/GitHub/Management/manage.py", line 22, in <module>
    main()
  File "/Users/raymond/Documents/GitHub/Management/manage.py", line 18, in main
    execute_from_command_line(sys.argv)
  File "/Users/raymond/opt/anaconda3/envs/python388/lib/python3.9/site-packages/django/core/management/__init__.py", line 425, in execute_from_command_line
    utility.execute()
  File "/Users/raymond/opt/anaconda3/envs/python388/lib/python3.9/site-packages/django/core/management/__init__.py", line 401, in execute
    django.setup()
  File "/Users/raymond/opt/anaconda3/envs/python388/lib/python3.9/site-packages/django/__init__.py", line 24, in setup
    apps.populate(settings.INSTALLED_APPS)
  File "/Users/raymond/opt/anaconda3/envs/python388/lib/python3.9/site-packages/django/apps/registry.py", line 114, in populate
    app_config.import_models()
  File "/Users/raymond/opt/anaconda3/envs/python388/lib/python3.9/site-packages/django/apps/config.py", line 300, in import_models
    self.models_module = import_module(models_module_name)
  File "/Users/raymond/opt/anaconda3/envs/python388/lib/python3.9/importlib/__init__.py", line 127, in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
  File "<frozen importlib._bootstrap>", line 1030, in _gcd_import
  File "<frozen importlib._bootstrap>", line 1007, in _find_and_load
  File "<frozen importlib._bootstrap>", line 986, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 680, in _load_unlocked
  File "<frozen importlib._bootstrap_external>", line 790, in exec_module
  File "<frozen importlib._bootstrap>", line 228, in _call_with_frames_removed
  File "/Users/raymond/Documents/GitHub/Management/request/models.py", line 7, in <module>
    class Request(models.Model):
  File "/Users/raymond/Documents/GitHub/Management/request/models.py", line 9, in Request
    teacher = models.ForeignKey(User, on_delete=models.CASCADE, choices=[(u.username, u) for u in User.objects.filter(profile__teacher_status=True)], related_name='teacher')
  File "/Users/raymond/opt/anaconda3/envs/python388/lib/python3.9/site-packages/django/db/models/manager.py", line 85, in manager_method
    return getattr(self.get_queryset(), name)(*args, **kwargs)
  File "/Users/raymond/opt/anaconda3/envs/python388/lib/python3.9/site-packages/django/db/models/query.py", line 974, in filter
    return self._filter_or_exclude(False, args, kwargs)
  File "/Users/raymond/opt/anaconda3/envs/python388/lib/python3.9/site-packages/django/db/models/query.py", line 992, in _filter_or_exclude
    clone._filter_or_exclude_inplace(negate, args, kwargs)
  File "/Users/raymond/opt/anaconda3/envs/python388/lib/python3.9/site-packages/django/db/models/query.py", line 999, in _filter_or_exclude_inplace
    self._query.add_q(Q(*args, **kwargs))
  File "/Users/raymond/opt/anaconda3/envs/python388/lib/python3.9/site-packages/django/db/models/sql/query.py", line 1375, in add_q
    clause, _ = self._add_q(q_object, self.used_aliases)
  File "/Users/raymond/opt/anaconda3/envs/python388/lib/python3.9/site-packages/django/db/models/sql/query.py", line 1396, in _add_q
    child_clause, needed_inner = self.build_filter(
  File "/Users/raymond/opt/anaconda3/envs/python388/lib/python3.9/site-packages/django/db/models/sql/query.py", line 1271, in build_filter
    lookups, parts, reffed_expression = self.solve_lookup_type(arg)
  File "/Users/raymond/opt/anaconda3/envs/python388/lib/python3.9/site-packages/django/db/models/sql/query.py", line 1099, in solve_lookup_type
    _, field, _, lookup_parts = self.names_to_path(lookup_splitted, self.get_meta())
  File "/Users/raymond/opt/anaconda3/envs/python388/lib/python3.9/site-packages/django/db/models/sql/query.py", line 1518, in names_to_path
    *get_field_names_from_opts(opts),
  File "/Users/raymond/opt/anaconda3/envs/python388/lib/python3.9/site-packages/django/db/models/sql/query.py", line 47, in get_field_names_from_opts
    for f in opts.get_fields()
  File "/Users/raymond/opt/anaconda3/envs/python388/lib/python3.9/site-packages/django/db/models/options.py", line 778, in get_fields
    return self._get_fields(include_parents=include_parents, include_hidden=include_hidden)
  File "/Users/raymond/opt/anaconda3/envs/python388/lib/python3.9/site-packages/django/db/models/options.py", line 838, in _get_fields
    all_fields = self._relation_tree
  File "/Users/raymond/opt/anaconda3/envs/python388/lib/python3.9/site-packages/django/utils/functional.py", line 48, in __get__
    res = instance.__dict__[self.name] = self.func(instance)
  File "/Users/raymond/opt/anaconda3/envs/python388/lib/python3.9/site-packages/django/db/models/options.py", line 751, in _relation_tree
    return self._populate_directed_relation_graph()
  File "/Users/raymond/opt/anaconda3/envs/python388/lib/python3.9/site-packages/django/db/models/options.py", line 721, in _populate_directed_relation_graph
    all_models = self.apps.get_models(include_auto_created=True)
  File "/Users/raymond/opt/anaconda3/envs/python388/lib/python3.9/site-packages/django/apps/registry.py", line 179, in get_models
    self.check_models_ready()
  File "/Users/raymond/opt/anaconda3/envs/python388/lib/python3.9/site-packages/django/apps/registry.py", line 141, in check_models_ready
    raise AppRegistryNotReady("Models aren't loaded yet.")
django.core.exceptions.AppRegistryNotReady: Models aren't loaded yet.