def stream_keys(self, timeout=None):
        return self._client.ts_stream_keys(self, timeout)
Return the previous TreeWidget depth first from this one.
dataset/ETHPy150Open basho/riak-python-client/riak/table.py/Table.stream_keys--crossover with--dataset/ETHPy150Open AnyMesh/anyMesh-Python/example/urwid/treetools.py/TreeWidget.prev_inorder