class_docstr: Unittest for repo normalize.
code: def test_get_op(self):
      result = RepoNormalize.get_op("test_op")
      self.assertEqual(result.repo, "test-op")
      self.assertEqual(result.py_file, "test_op.py")
      self.assertEqual(result.yaml_file, "test_op.yaml")
      self.assertEqual(result.class_name, "TestOp")
  
file_path: towhee/tests/unittests/utils/test_repo_normalize.py
imports: import unittest
  from towhee.utils.repo_normalize import RepoNormalize
label_desc: Use image node_id 5 for calling the TestRepoNormalize obj's underlying member method code with example usage: obj.test_get_op() without return types