class_docstr: Preparer for text classification.
code: def __init__(self, config):
      super().__init__(config)
  
file_path: delta/delta/data/preprocess/text_cls_preparer.py
imports: from delta.data.preprocess.base_preparer import TextPreparer
  from delta.data.preprocess.text_ops import load_textline_dataset
  from delta.data import utils
  from delta.utils.register import registers
label_desc: Use image node_id 1 to create a new TextClsPreparer object from inherited base classes: TextPreparer with example: obj = TextClsPreparer(config)