code: def _get_or_create_backend(self):
      return get_or_create_backend(
          self.getBackend(),
          self.getNumProc(),
          self.getVerbose(),
          self.getUseGpu(),
      )
  
imports: from horovod.spark.lightning import TorchEstimator
  import torch
  from pyspark.ml.param.shared import Param, Params
  from pytorch_lightning.utilities import _module_available
  from synapse.ml.dl.DeepTextModel import DeepTextModel
  from synapse.ml.dl.LitDeepTextModel import LitDeepTextModel
  from synapse.ml.dl.utils import keywords_catch, get_or_create_backend
  from synapse.ml.dl.PredictionParams import TextPredictionParams
label_desc: Use image node_id 22 for calling the DeepTextClassifier obj's underlying member method code with example usage: obj._get_or_create_backend() and returns: get_or_create_backend