code: def test_bipartite_color(self):
      G = nx.path_graph(4)
      c = bipartite.color(G)
      assert c == {0: 1, 1: 0, 2: 1, 3: 0}
  
file_path: networkx/networkx/algorithms/bipartite/tests/test_basic.py
imports: import pytest
  import networkx
  from networkx.algorithms import bipartite
label_desc: Use image node_id 2 for calling the TestBipartiteBasic obj's underlying member method code with example usage: obj.test_bipartite_color() without return types