class_docstr: Test case of valid embedding interface 
docstr: target: test embedding for normal case
  method:  embedding with different images
  expected: return not identical embeddings
docstr_tok: ["target",":","test","embedding","for","normal","case","method",":","embedding","with","different","images","expected",":","return","not","identical","embeddings"]
code: def test_embedding_different_images(
      self, pipeline_model, embedding_size
  ):
      """
      target: test embedding for normal case
      method:  embedding with different images
      expected: return not identical embeddings
      """
      nums = 2
      embeddings = []
      emb_conf = AutoConfig.load_config(pipeline_name)
      emb_conf.model = pipeline_model
      emb_pipe = AutoPipes.pipeline(pipeline_name, emb_conf)
      for i in range(nums):
          embedding = (
              emb_pipe(data_path + "towhee_test_image%d.jpg" % i)
              .to_list()[0][0]
              .tolist()
          )
          embeddings.append(embedding)
          assert len(embedding) == embedding_size
      assert embeddings[0] is not embeddings[1]
      return True
  
imports: import sys
  import time
  import threading
  import numpy
  from towhee import AutoPipes, AutoConfig
  from common import common_func
label_desc: Use image node_id 3 for calling the TestImageEmbeddingValid obj's underlying member method code with example usage: obj.test_embedding_different_images(pipeline_model, embedding_size) and returns: True