code: def test_draw_networkx_edge_label_empty_dict():
      """Regression test for draw_networkx_edge_labels with empty dict. See
      gh-5372."""
      G = nx.path_graph(3)
      pos = {n: (n, n) for n in G.nodes}
      assert nx.draw_networkx_edge_labels(G, pos, edge_labels={}) == {}
  
imports: import itertools
  import os
  import warnings
  import pytest
  import networkx
label_desc: Use image node_id 41 for calling a global function with example usage: test_draw_networkx_edge_label_empty_dict() without return types