code: def tearDown(self):
      super().tearDown()
      flagsaver.restore_flag_values(self._saved_flags)
  
imports: import io
  from unittest import mock
  from absl import flags
  from absl.testing import absltest
  from absl.testing import flagsaver
  from absl.testing import parameterized
  from deepvariant.opensource_only.scripts import run_deeptrio
label_desc: Use image node_id 2 for calling the RunDeeptrioTest obj's underlying member method code with example usage: obj.tearDown() without return types