class_docstr: Wizard of Wikipedia Gender gender.
class_docstr_tok: ["Wizard","of","Wikipedia","Gender","gender","."]
code: def _load_gender_data(self, opt):
      build(opt)
      dt = opt["datatype"].split(":")[0]
      fle = os.path.join(
          opt["datapath"],
          "md_gender",
          "data_to_release",
          f"wizard/{dt}.jsonl",
      )
  
      data = []
      with open(fle, "r") as f:
          lines = f.read().splitlines()
          for line in lines:
              ex = json.loads(line)
              ex["class_type"] = "about"
              gender = ex["gender"]
              ex["label"] = f"ABOUT:{gender}"
              data.append(ex)
  
      return data
  
imports: from typing import Optional
  from parlai.core.params import ParlaiParser
  from parlai.core.opt import Opt
  from parlai.core.message import Message
  from parlai.core.teachers import FixedDialogTeacher
  import parlai.tasks.md_gender.utils
  from parlai.tasks.md_gender.build import build
  from copy import deepcopy
  import json
  import os
  import random
label_desc: Use image node_id 3 for calling the WizardTeacher obj's underlying member method code with example usage: obj._load_gender_data(opt) and returns: data