code: def _get_user():
      """Get the current computer username."""
      try:
          return getpass.getuser()
      except ImportError:
          return _DEFAULT_USER
  
file_path: mlflow/mlflow/tracking/context/default_context.py
imports: import getpass
  import sys
  from mlflow.entities import SourceType
  from mlflow.tracking.context.abstract_context import RunContextProvider
  from mlflow.utils.credentials import read_mlflow_creds
  from mlflow.utils.mlflow_tags import MLFLOW_SOURCE_NAME, MLFLOW_SOURCE_TYPE, MLFLOW_USER
label_desc: Use image node_id 1 for calling a global function with example usage: _get_user() and returns: getpass, _DEFAULT_USER