code: def _remove_explanation(self, logging_txt):
      free_vars = logging_txt.split("\n")
      self.assertGreater(len(free_vars), 2)
      return "\n".join(free_vars[2:])
  
imports: import functools
  import unittest
  from absl.testing import parameterized
  import numpy
  from tensorflow.core.function.capture import free_vars_detect
  from tensorflow.python.util import tf_decorator
label_desc: Use image node_id 1 for calling the GenerateLoggingTest obj's underlying member method code with example usage: obj._remove_explanation(logging_txt) and returns: str