code: def sync(temporary: bool = False) -> None:
      """Helper method to force this module to synchronize with current distributed context.
      This method should be used when distributed context is manually created or destroyed.
  
      Args:
          temporary: If True, distributed model synchronization is done every call of ``idist.get_*`` methods.
              This may have a negative performance impact.
      """
      global _model
  
      for comp_model_cls in registered_computation_models:
          if comp_model_cls == _SerialModel:
              continue
          model = comp_model_cls.create_from_context()
          if model is not None:
              _set_model(model, temporary=temporary)
              return
  
      _model = _SerialModel()
  
imports: import socket
  from contextlib import contextmanager
  from functools import wraps
  from typing import Any, Callable, List, Mapping, Optional, Tuple, Union
  import torch
  from ignite.distributed.comp_models import _SerialModel, has_hvd_support, has_native_dist_support, has_xla_support, registered_computation_models
  from ignite.utils import setup_logger
label_desc: Use image node_id 1 for calling a global function with example usage: sync(temporary) without return types