code: def get_input_output_texts(self, tokenizer):
      input_text = "lower newer"
      output_text = "lower newer"
      return input_text, output_text
  
imports: import json
  import os
  import unittest
  from transformers import CLIPTokenizer, CLIPTokenizerFast
  from transformers.models.clip.tokenization_clip import VOCAB_FILES_NAMES
  from transformers.testing_utils import require_ftfy, require_tokenizers
  from ...test_tokenization_common import TokenizerTesterMixin
label_desc: Use image node_id 4 for calling the CLIPTokenizationTest obj's underlying member method code with example usage: obj.get_input_output_texts(tokenizer) and returns: input_text,  output_text