Find the custom tasks and record the associated image with each task

def find_tasks(self, overrides):
        """Find the custom tasks and record the associated image with each task"""
        tasks = self.default_tasks()
        configuration = self.collector.configuration

        for image in list(configuration["images"].keys()):
            path = configuration.path(["images", image, "tasks"], joined="images.{0}.tasks".format(image))
            nxt = configuration.get(path, {})
            tasks.update(nxt)

        if overrides:
            tasks.update(overrides)

        self.tasks = tasks
        return tasks