How to use the paperwork.frontend.jobs.JobFactory.__init__ function in paperwork

def __init__(self, main_win, config):
        JobFactory.__init__(self, "IndexUpdater")
        self.__main_win = main_win
        self.__config = config

def __init__(self, main_win):
        JobFactory.__init__(self, "DocThumbnailer")
        self.__main_win = main_win

def __init__(self, main_win, config):
        JobFactory.__init__(self, "PageEditor")
        self.__main_win = main_win
        self.__config = config

def __init__(self, main_window, config):
        JobFactory.__init__(self, "IndexLoader")
        self.__main_window = main_window
        self.__config = config

def __init__(self, main_win, config):
        JobFactory.__init__(self, "Search")
        self.__main_win = main_win
        self.__config = config

def __init__(self, main_win, config):
        JobFactory.__init__(self, "OCRRedoer")
        self.__main_win = main_win
        self.__config = config

def __init__(self, main_win, config):
        JobFactory.__init__(self, "SingleScan")
        self.__main_win = main_win
        self.__config = config

def __init__(self, main_win):
        JobFactory.__init__(self, "LabelUpdater")
        self.__main_win = main_win

def __init__(self, main_win):
        JobFactory.__init__(self, "ImgBuilder")
        self.__main_win = main_win

def __init__(self, main_win):
        JobFactory.__init__(self, "PageThumbnailer")
        self.__main_win = main_win