code: def test_tryfinally_generator(self):
      container = []
  
      def singleton(x):
          return (x,)
  
      with pytest.raises(nx.NetworkXError):
  
          @argmap(singleton, 0, 1, 2, try_finally=True)
          def foo(x, y, z):
              yield from (x, y, z)
  
      @argmap(singleton, 0, 1, 2)
      def foo(x, y, z):
          return x + y + z
  
      q = foo("a", "b", "c")
  
      assert q == ("a", "b", "c")
  
imports: import os
  import pathlib
  import random
  import tempfile
  import pytest
  import networkx
  from networkx.utils.decorators import argmap, not_implemented_for, np_random_state, open_file, py_random_state
  from networkx.utils.misc import PythonRandomInterface
label_desc: Use image node_id 4 for calling the TestArgmap obj's underlying member method code with example usage: obj.test_tryfinally_generator() and returns: x, unknown