docstr: load processed data and encode, or load already encoded data
docstr_tok: ["load","processed","data","and","encode",",","or","load","already","encoded","data"]
code: def _load_data(self):
      """
      load processed data and encode, or load already encoded data
      """
      # directly read processed data and encode
      self.data = json.loads(
          open(
              self.cfg.data_path + self.cfg.data_file,
              "r",
              encoding="utf-8",
          )
          .read()
          .lower()
      )
      self.train, self.dev, self.test = [], [], []
      for fn, dial in self.data.items():
          if ".json" in fn:
              fn = fn.replace(".json", "")
  
file_path: TextBox/textbox/evaluator/utils/multiwoz/reader.py
imports: import logging
  import json
  import spacy
  from collections import OrderedDict
  from .None import utils
  from .None import ontology
  from .db_ops import MultiWozDB
label_desc: Use image node_id 3 for calling the MultiWozReader obj's underlying member method code with example usage: obj._load_data() without return types