code: def _import_impala():
      import ray.rllib.algorithms.impala as impala
  
      return impala.Impala, impala.Impala.get_default_config()
  
imports: import importlib
  import re
  from ray.rllib.utils.deprecation import Deprecated
label_desc: Use image node_id 20 for calling a global function with example usage: _import_impala() and returns: impala,  impala