code: def iter_stage_metrics_data(stage, run_dir):
      dvc_config = load_dvc_config(run_dir)
      for name in _iter_stage_metrics_names(stage, dvc_config):
          data = _load_metrics(os.path.join(run_dir, name))
          yield name, data
  
imports: import json
  import logging
  import os
  import subprocess
  import yaml
  from guild import util
  from guild import var
label_desc: Use image node_id 33 for calling a global function with example usage: iter_stage_metrics_data(stage, run_dir) without return types