code: def tearDown(self):
      ops.reset_default_graph()
  
imports: from collections import namedtuple
  from tensorflow.python.debug.cli import cli_shared
  from tensorflow.python.debug.cli import debugger_cli_common
  from tensorflow.python.framework import constant_op
  from tensorflow.python.framework import errors
  from tensorflow.python.framework import ops
  from tensorflow.python.framework import sparse_tensor
  from tensorflow.python.framework import test_util
  from tensorflow.python.ops import variables
  from tensorflow.python.platform import googletest
label_desc: Use image node_id 2 for calling the GetRunStartIntroAndDescriptionTest obj's underlying member method code with example usage: obj.tearDown() without return types