code: def teardown():
      teardown_test_comm()
  
file_path: catboost/contrib/python/ipywidgets/py3/ipywidgets/widgets/tests/utils.py
imports: from ipywidgets import Widget
  import ipywidgets.widgets.widget
  import ipykernel.comm
label_desc: Use image node_id 6 for calling a global function with example usage: teardown() without return types