code: def _get_input_pipeline(self):
      pipeline = S2SPipeline(self.config)
      return pipeline
  
imports: import functools
  import numpy
  import tensorflow
  from finetune.base import BaseModel
  from finetune.encoding.target_encoders import Seq2SeqLabelEncoder
  from finetune.input_pipeline import BasePipeline
  from finetune.model import PredictMode
  from finetune.util.beam_search import beam_search, get_state_shape_invariants
  from tensorflow.python.util import nest
  import itertools
  import sys
label_desc: Use image node_id 1 for calling the HFS2S obj's underlying member method code with example usage: obj._get_input_pipeline() and returns: pipeline