code: def _algorithm_import_failed(trace):
      """Returns dummy Algorithm class for if PyTorch etc. is not installed."""
  
      class _AlgorithmImportFailed(Algorithm):
          _name = "AlgorithmImportFailed"
  
          def setup(self, config):
              raise ImportError(trace)
  
      return _AlgorithmImportFailed
  
imports: import os
  import pickle
  import time
  import numpy
  from ray.tune import result
  from ray.rllib.algorithms.algorithm import Algorithm, AlgorithmConfig
  from ray.rllib.utils.annotations import override
label_desc: Use image node_id 1 for calling a global function with example usage: _algorithm_import_failed(trace) and returns: _AlgorithmImportFailed