<filename>backend/handler/__init__.py
from backend.handler.case import *
from backend.handler.contactor import *
from backend.handler.file import *
from backend.handler.project import *
from backend.handler.user import *

<filename>backend/handler/__init__.py
from backend.handler.case import *
from backend.handler.contactor import *
from backend.handler.file import *
from backend.handler.project import *
from backend.handler.user import *
