code: def __init__(self, pipeline_key: str, model_key: str):
      self.model = pipeline(pipeline_key, model_key)
  
imports: from typing import List
  from starlette.requests import Request
  from transformers import pipeline
  from ray import serve
label_desc: Use image node_id 1 to create a new BatchTextGenerator object  with example: obj = BatchTextGenerator(pipeline_key, model_key)