code: def _process_metrics(self, global_step, metrics):
      if metrics:
          assert "" in metrics
          assert isinstance(metrics[""], dict)
          if metrics[""]:
              assert "global_step_1" in metrics[""]
      self.test_metrics = metrics
      if global_step >= 40:
          return True
  
file_path: tensor2tensor/tensor2tensor/utils/metrics_hook_test.py
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import contextlib
  import os
  import shutil
  from tensor2tensor.utils import metrics_hook
  import tensorflow.compat.v1
label_desc: Use image node_id 1 for calling the DummyHook obj's underlying member method code with example usage: obj._process_metrics(global_step, metrics) and returns: True