code: def __init__(self):
      from diffusers import (
          EulerDiscreteScheduler,
          StableDiffusionPipeline,
      )
  
      model_id = "stabilityai/stable-diffusion-2"
  
      scheduler = EulerDiscreteScheduler.from_pretrained(
          model_id, subfolder="scheduler"
      )
      self.pipe = StableDiffusionPipeline.from_pretrained(
          model_id,
          scheduler=scheduler,
          revision="fp16",
          torch_dtype=torch.float16,
      )
      self.pipe = self.pipe.to("cuda")
  
file_path: ray/doc/source/serve/doc_code/stable_diffusion.py
imports: from io import BytesIO
  from fastapi import FastAPI
  from fastapi.responses import Response
  import torch
  from ray import serve
  from ray.serve.handle import DeploymentHandle
label_desc: Use image node_id 1 to create a new StableDiffusionV2 object  with example: obj = StableDiffusionV2()