code: def test_download_ckpt_diff_format_is_same(self):
      single_file_path = "https://huggingface.co/stabilityai/stable-diffusion-2-1/blob/main/v2-1_768-ema-pruned.safetensors"
  
      pipe_single = StableDiffusionPipeline.from_single_file(
          single_file_path
      )
      pipe_single.scheduler = DDIMScheduler.from_config(
          pipe_single.scheduler.config
      )
      pipe_single.unet.set_attn_processor(AttnProcessor())
      pipe_single.enable_model_cpu_offload()
  
      generator = torch.Generator(device="cpu").manual_seed(0)
      image_ckpt = pipe_single(
          "a turtle",
          num_inference_steps=2,
          generator=generator,
          output_type="np",
      ).images[0]
  
      pipe = StableDiffusionPipeline.from_pretrained(
          "stabilityai/stable-diffusion-2-1"
      )
      pipe.scheduler = DDIMScheduler.from_config(pipe.scheduler.config)
      pipe.unet.set_attn_processor(AttnProcessor())
      pipe.enable_model_cpu_offload()
  
      generator = torch.Generator(device="cpu").manual_seed(0)
      image = pipe(
          "a turtle",
          num_inference_steps=2,
          generator=generator,
          output_type="np",
      ).images[0]
  
      max_diff = numpy_cosine_similarity_distance(
          image.flatten(), image_ckpt.flatten()
      )
      assert max_diff < 1e-3
  
imports: import gc
  import time
  import unittest
  import numpy
  import torch
  from huggingface_hub import hf_hub_download
  from transformers import CLIPTextConfig, CLIPTextModel, CLIPTokenizer
  from diffusers import AutoencoderKL, DDIMScheduler, DPMSolverMultistepScheduler, EulerDiscreteScheduler, StableDiffusionPipeline, UNet2DConditionModel
  from diffusers.models.attention_processor import AttnProcessor
  from diffusers.utils.testing_utils import enable_full_determinism, load_numpy, numpy_cosine_similarity_distance, require_torch_gpu, slow, torch_device
label_desc: Use image node_id 11 for calling the StableDiffusion2VPredictionPipelineIntegrationTests obj's underlying member method code with example usage: obj.test_download_ckpt_diff_format_is_same() without return types