code: def tearDown(self):
      pio.templates.default = "plotly"
  
file_path: plotly.py/packages/python/plotly/plotly/tests/utils.py
imports: import copy
  from numbers import Number
  from unittest import TestCase
  import plotly.io
label_desc: Use image node_id 2 for calling the TestCaseNoTemplate obj's underlying member method code with example usage: obj.tearDown() without return types