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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 is_empty(self, resource):
 """Test if there is no document for resource. :param resource: resource name """

        args = self._es_args(resource)
        res = self.elastic(resource).count(body={'query': {'match_all': {}}}, **args)
        return res.get('count', 0) == 0