code: def get_output_partition_ids(self):
      res = []
      for output_val in self._output_vals:
          outputs = output_val.get()
          for val_pos in outputs:
              if val_pos.partition_id not in res:
                  res.append(val_pos.partition_id)
      return res
  
imports: from dataclasses import dataclass
  from typing import Dict, List
label_desc: Use image node_id 8 for calling the Partition obj's underlying member method code with example usage: obj.get_output_partition_ids() and returns: res