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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def _get_app_module(self):
 # type: () -> Callable """Returns a module which binds the current app and configuration. :return: configuration callback :rtype: Callable """


        def configure(binder):
            # type: (Binder) -> Callable
            binder.bind(ServiceApplication, to=self, scope=singleton)
            binder.bind(Config, to=self.config, scope=singleton)

        return configure