Django rules with abstract base class throw error after addition

[Conrad]

Adding django-rules to my Django project I am encountering the following issue: I want to add default permissions to my abstract base class and overwrite them, if needed. Below an example of a base class and the inheriting class:

class BaseModel(RulesModelBaseMixin):
    company_id = models.ForeignKey('company.Company', on_delete=models.CASCADE)
    created_by = models.ForeignKey(
        'user.User', on_delete=models.SET_NULL, null=True, blank=True)

    class Meta:
        abstract = True
        rules_permissions = {
            "can_create": can_create_in_company | is_superuser,
            "can_view": can_view_in_company | is_author | is_superuser
        }

class Ticket(RulesModelMixin, BaseModel, metaclass=RulesModelBase):
    name = models.CharField(max_length=512, null=True, blank=True)

After adding this abstract base class, there is this seemingly unrelated error message:

Traceback (most recent call last):
    File "REPO_PATH/.venv/lib/python3.10/site-packages/django/utils/module_loading.py", line 30, in import_string
    return cached_import(module_path, class_name)
    File "REPO_PATH/.venv/lib/python3.10/site-packages/django/utils/module_loading.py", line 15, in cached_import
    import_module(module_path)
    File "/opt/homebrew/Cellar/python@3.10/3.10.4/Frameworks/Python.framework/Versions/3.10/lib/python3.10/importlib/__init__.py", line 126, in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
    File "<frozen importlib._bootstrap>", line 1050, in _gcd_import
    File "<frozen importlib._bootstrap>", line 1027, in _find_and_load
    File "<frozen importlib._bootstrap>", line 1006, in _find_and_load_unlocked
    File "<frozen importlib._bootstrap>", line 688, in _load_unlocked
    File "<frozen importlib._bootstrap_external>", line 883, in exec_module
    File "<frozen importlib._bootstrap>", line 241, in _call_with_frames_removed
    File "REPO_PATH/app/api/pagination.py", line 10, in <module>
    from ticket.models import Ticket, TicketStatus, TicketType
    File "REPO_PATH/app/ticket/models.py", line 106, in <module>
    class Ticket(RulesModelMixin, BaseModel, metaclass=RulesModelBase):
    File "REPO_PATH/.venv/lib/python3.10/site-packages/rules/contrib/models.py", line 36, in __new__
    new_class._meta.rules_permissions = perms
AttributeError: type object 'Ticket' has no attribute '_meta'. Did you mean: 'Meta'?

It seems to have something to do with the custom pagination later on, but I don't think that this is the cause of the problem, as this worked before. The base class case is even mentioned in the docs, but it doesn't work.

See SO post