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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 fetch_all_backups(self):
 r""" Returns a generator that yields all of the backup images created from the droplet :rtype: generator of `Image`\ s :raises DOAPIError: if the API endpoint replies with an error """

        api = self.doapi_manager
        for obj in api.paginate(self.url + '/backups', 'backups'):
            yield Image(obj, doapi_manager=api)