code: def test_generate_corpus_id(recwarn):
      """Test generating a corpus id."""
      assert len(words.generate_corpus_id()) > 7
      # 1 in 4294967296 (2^32) times this will fail
      assert words.generate_corpus_id() != words.generate_corpus_id()
      assert len(recwarn) == 0
  
label_desc: Use image node_id 1 for calling a global function with example usage: test_generate_corpus_id(recwarn) without return types