code: def _get_user_id():
      """Get the ID of the user for the current run."""
      try:
          return pwd.getpwuid(os.getuid())[0]
      except ImportError:
          return _DEFAULT_USER_ID
  
file_path: mlflow/examples/rest_api/mlflow_tracking_rest_api.py
imports: import argparse
  import os
  import pwd
  import requests
  from mlflow.utils.time import get_current_time_millis
label_desc: Use image node_id 1 for calling a global function with example usage: _get_user_id() and returns: pwd, _DEFAULT_USER_ID