code: def test_input_2dim_array():
      converter = TokenIDConverter(["a", "b", "c", "<unk>"])
      with pytest.raises(ValueError):
          converter.ids2tokens(np.random.randn(2, 2))
  
file_path: espnet/test/espnet2/text/test_token_id_converter.py
imports: from pathlib import Path
  import numpy
  import pytest
  from espnet2.text.token_id_converter import TokenIDConverter
label_desc: Use image node_id 7 for calling a global function with example usage: test_input_2dim_array() without return types