code: def _create_placeholder(key: str):
      return "{{ " + key + " }}"
  
imports: import textwrap
  import warnings
  from functools import wraps
  from typing import Dict
  import importlib_metadata
  from packaging.version import Version
  from mlflow.ml_package_versions import _ML_PACKAGE_VERSIONS
  from mlflow.utils.autologging_utils.versioning import FLAVOR_TO_MODULE_NAME_AND_VERSION_INFO_KEY
label_desc: Use image node_id 1 for calling a global function with example usage: _create_placeholder(key) and returns: unknown