code: def __call__(self, text):
      generated_list = self.generator(
          text, do_sample=True, min_length=20, max_length=100
      )
      generated = generated_list[0]["generated_text"]
      return generated
  
file_path: ray/doc/source/serve/doc_code/gradio-integration-parallel.py
imports: import requests
  from ray import serve
  from ray.serve.handle import DeploymentHandle
  from ray.serve.gradio_integrations import GradioIngress
  import gradio
  import asyncio
  from transformers import pipeline
label_desc: Use image node_id 2 for calling the TextGenerationModel obj's underlying member method code with example usage: obj.__call__(text) and returns: generated