code: def text_encoder(self):
      return self.sd_pipeline.text_encoder
  
imports: import contextlib
  import os
  import warnings
  from dataclasses import dataclass
  from typing import Any, Callable, Dict, List, Optional, Union
  import numpy
  import torch
  from diffusers import DDIMScheduler, StableDiffusionPipeline, UNet2DConditionModel
  from diffusers.pipelines.stable_diffusion.pipeline_stable_diffusion import rescale_noise_cfg
  from diffusers.utils import convert_state_dict_to_diffusers
  from ..core import randn_tensor
  from ..import_utils import is_peft_available
label_desc: Use image node_id 8 for calling the DefaultDDPOStableDiffusionPipeline obj's underlying member method code with example usage: obj.text_encoder() and returns: self