code: def _PushBackGrad(op: ops.Operation, dresult):
      return gen_list_ops.tensor_list_pop_back(
          dresult,
          element_shape=array_ops.shape(op.inputs[1]),
          element_dtype=op.get_attr("element_dtype"),
      )
  
imports: import numpy
  from tensorflow.core.framework import full_type_pb2
  from tensorflow.python.framework import cpp_shape_inference_pb2
  from tensorflow.python.framework import dtypes
  from tensorflow.python.framework import ops
  from tensorflow.python.framework import tensor
  from tensorflow.python.framework import tensor_shape
  from tensorflow.python.framework import tensor_util
  from tensorflow.python.ops import array_ops
  from tensorflow.python.ops import gen_list_ops
  from tensorflow.python.ops import handle_data_util
  from tensorflow.python.ops.gen_list_ops import *
label_desc: Use image node_id 13 for calling a global function with example usage: _PushBackGrad(op, dresult) and returns: gen_list_ops