code: def setUp(self):
      import plotly.io as pio
  
      pio.templates.default = None
  
imports: import plotly.graph_objects
  from plotly.subplots import make_subplots
  from plotly.tests.utils import TestCaseNoTemplate
  import pytest
label_desc: Use image node_id 1 for calling the FigureTest obj's underlying member method code with example usage: obj.setUp() without return types