code: def load_labeling_corpus(cls, name=None):
      data_dict = {
          "chinese_daily": cls.chinese_daily,
          # 'custom_1': cls.custom_1,
      }
  
      if name is None:
          name = random.choice(list(data_dict.keys()))
      return data_dict[name]
  
file_path: Kashgari/tests/test_macros.py
imports: import random
  import logging
  from kashgari.macros import DATA_PATH
  from tensorflow.keras.utils import get_file
  from kashgari.corpus import ChineseDailyNerCorpus, SMP2018ECDTCorpus, JigsawToxicCommentCorpus
label_desc: Use image node_id 1 for calling the TestMacros obj's underlying member method code with example usage: obj.load_labeling_corpus(cls, name) and returns: data_dict