<filename>errors/__init__.py
from config_missing.main import ConfigMissing  # missing .sec.d
from invalid_data.main import InvalidData

__all__ = ["ConfigMissing", "InvalidData"]

<filename>errors/__init__.py
from config_missing.main import ConfigMissing  # missing .sec.d
from invalid_data.main import InvalidData

__all__ = ["ConfigMissing", "InvalidData"]

# missing .sec.d