code: def test_inference_batch_single_identical(self):
      self._test_inference_batch_single_identical(
          expected_max_diff=1e-3
      )
  
imports: import inspect
  import unittest
  import numpy
  import torch
  from torch import nn
  from transformers import CLIPImageProcessor, CLIPTextConfig, CLIPTextModelWithProjection, CLIPTokenizer, CLIPVisionConfig, CLIPVisionModelWithProjection
  from diffusers import KandinskyV22PriorPipeline, PriorTransformer, UnCLIPScheduler
  from diffusers.utils.testing_utils import enable_full_determinism, skip_mps, torch_device
  from ..test_pipelines_common import PipelineTesterMixin
label_desc: Use image node_id 4 for calling the KandinskyV22PriorPipelineFastTests obj's underlying member method code with example usage: obj.test_inference_batch_single_identical() without return types