code: def safe_personas_path(opt: Opt) -> str:
      # Build the data if it doesn't exist.
      build(opt)
      return os.path.join(
          opt["datapath"], "blended_skill_talk", "safe_personas.txt"
      )
  
imports: import copy
  import os
  import random
  import re
  from collections import defaultdict
  from typing import List, Optional, Dict, Tuple
  from parlai.core.opt import Opt
  from parlai.core.teachers import ParlAIDialogTeacher, create_task_agent_from_taskname
  from parlai.tasks.convai2.agents import BothTeacher
  from parlai.tasks.empathetic_dialogues.agents import EmpatheticDialoguesTeacher
  from parlai.tasks.wizard_of_wikipedia.agents import WizardDialogKnowledgeTeacher
  from parlai.utils.misc import warn_once
  from parlai.utils.io import PathManager
  from .build import build
label_desc: Use image node_id 6 for calling a global function with example usage: safe_personas_path(opt) and returns: os