code: def test_selector_none():
      # should return True
      assert BaseFigure._selector_matches({}, None) == True
  
file_path: plotly.py/packages/python/plotly/plotly/tests/test_core/test_update_objects/test_selector_matches.py
imports: import plotly.graph_objects
  from plotly.basedatatypes import BaseFigure
label_desc: Use image node_id 1 for calling a global function with example usage: test_selector_none() without return types