code: def test_latin1(self, tmp_path):
      G = nx.Graph()
      name1 = "Bj" + chr(246) + "rk"
      name2 = chr(220) + "ber"
      G.add_edge(name1, "Radiohead", **{name2: 3})
      fname = tmp_path / "adjlist.txt"
      nx.write_multiline_adjlist(G, fname, encoding="latin-1")
      H = nx.read_multiline_adjlist(fname, encoding="latin-1")
      assert graphs_equal(G, H)
  
imports: import io
  import pytest
  import networkx
  from networkx.utils import edges_equal, graphs_equal, nodes_equal
label_desc: Use image node_id 5 for calling the TestAdjlist obj's underlying member method code with example usage: obj.test_latin1(tmp_path) without return types