code: def setup_distributed_env(self, flow):
      # Overridden by subclasses to set up particular framework's environment.
      pass
  
file_path: metaflow/metaflow/plugins/parallel_decorator.py
imports: from metaflow.decorators import StepDecorator
  from metaflow.unbounded_foreach import UBF_CONTROL
  from metaflow.exception import MetaflowException
  import os
  import sys
label_desc: Use image node_id 5 for calling the ParallelDecorator obj's underlying member method code with example usage: obj.setup_distributed_env(flow) without return types