def _mixins(cls) -> list[type]:
        """Get the mixin classes of the state.

        Returns:
            The mixin classes of the state.
        """
        return [
            mixin
            for mixin in cls.__mro__
            if (
                mixin not in [pydantic.BaseModel, Base, cls]
                and issubclass(mixin, BaseState)
                and mixin._mixin is True
            )
        ]
Get the mixin classes of the state.

        Returns:
            The mixin classes of the state.
        
reflex/state.py