code: def test_extract_cluster_assignment_ddp(self) -> None:
      self.run_cluster_assignment(with_fsdp=False)
  
file_path: vissl/tests/test_extract_cluster.py
imports: import os
  import shutil
  import unittest
  import numpy
  from vissl.utils.cluster_utils import ClusterAssignmentLoader
  from vissl.utils.hydra_config import compose_hydra_configuration, convert_to_attrdict
  from vissl.utils.test_utils import gpu_test, in_temporary_directory, run_integration_test
label_desc: Use image node_id 4 for calling the TestExtractClusterWorkflow obj's underlying member method code with example usage: obj.test_extract_cluster_assignment_ddp() without return types