code: def test_tokenizer_decode(self):
      image_processor = self.get_image_processor()
      tokenizer = self.get_tokenizer()
  
      processor = MgpstrProcessor(
          tokenizer=tokenizer, image_processor=image_processor
      )
  
      predicted_ids = [
          [1, 4, 5, 8, 1, 0, 8],
          [3, 4, 3, 1, 1, 8, 9],
          [3, 4, 3, 1, 1, 8, 9],
      ]
  
      decoded_processor = processor.char_decode(predicted_ids)
      decoded_tok = tokenizer.batch_decode(predicted_ids)
      decode_strs = [seq.replace(" ", "") for seq in decoded_tok]
  
      self.assertListEqual(decode_strs, decoded_processor)
  
imports: import json
  import os
  import shutil
  import tempfile
  import unittest
  import numpy
  import pytest
  from transformers import MgpstrTokenizer
  from transformers.models.mgp_str.tokenization_mgp_str import VOCAB_FILES_NAMES
  from transformers.testing_utils import require_torch, require_vision
  from transformers.utils import IMAGE_PROCESSOR_NAME, is_torch_available, is_vision_available
label_desc: Use image node_id 12 for calling the MgpstrProcessorTest obj's underlying member method code with example usage: obj.test_tokenizer_decode() without return types