code: def test_no_overwrite(self) -> None:
      _warn_on_overwriting_operations(
          [
              self.add_file_ab,
              self.add_file_abc,
              self.add_file_abd,
              self.delete_folder_e,
          ]
      )
  
imports: import unittest
  from huggingface_hub._commit_api import CommitOperationAdd, CommitOperationDelete, _warn_on_overwriting_operations
label_desc: Use image node_id 1 for calling the TestWarnOnOverwritingOperations obj's underlying member method code with example usage: obj.test_no_overwrite() without return types