code: def test_initial_access_subplot2(self):
      with pytest.raises(KeyError):
          self.layout["xaxis2"]
  
file_path: plotly.py/packages/python/plotly/plotly/tests/test_core/test_graph_objs/test_layout_subplots.py
imports: from unittest import TestCase
  import pytest
  import plotly.graph_objs
  import plotly.io
label_desc: Use image node_id 5 for calling the TestLayoutSubplots obj's underlying member method code with example usage: obj.test_initial_access_subplot2() without return types