<filename>app/main/views/__init__.py
from .ping import *
from .subscriber import *

__all__ = [*ping.__all__, *subscriber.__all__]

assert len(__all__) == len(set(__all__)), 'found duplicates in imports'

<filename>app/main/views/__init__.py
from .ping import *
from .subscriber import *

__all__ = [*ping.__all__, *subscriber.__all__]

assert len(__all__) == len(set(__all__)), 'found duplicates in imports'
