code: def test_valid_embeddings(self) -> None:
      io.check_embeddings(self.embeddings_path)
  
imports: import csv
  import json
  import tempfile
  import unittest
  from pathlib import Path
  import numpy
  from lightly.utils import io
  from tests.api_workflow.mocked_api_workflow_client import MockedApiWorkflowSetup
label_desc: Use image node_id 2 for calling the TestEmbeddingsIO obj's underlying member method code with example usage: obj.test_valid_embeddings() without return types