code: def lc_runnable_branch_type():
      try:
          from langchain.schema.runnable import RunnableBranch
  
          return (RunnableBranch,)
      except ImportError:
          return ()
  
imports: import json
  import logging
  import os
  import shutil
  import types
  from functools import lru_cache
  from importlib.util import find_spec
  from typing import Any, List, NamedTuple, Optional
  import cloudpickle
  import yaml
  from packaging import version
  import mlflow
  from mlflow.utils.class_utils import _get_class_from_string
label_desc: Use image node_id 4 for calling a global function with example usage: lc_runnable_branch_type() and returns: RunnableBranch, 