code: def test_pickle(self):
      import pickle
  
      rv = self.rv
      prv = pickle.loads(pickle.dumps(rv, -1))
      assert rv._node == prv._node
      assert rv._adj == prv._adj
      assert rv.graph == prv.graph
  
imports: import pytest
  import networkx
  from networkx.utils import edges_equal, nodes_equal
label_desc: Use image node_id 2 for calling the TestMultiReverseView obj's underlying member method code with example usage: obj.test_pickle() without return types