class_docstr: Do NOT use this directly, use its children.
class_docstr_tok: ["Do","NOT","use","this","directly",",","use","its","children","."]
code: def _is_safe(self, message):
      # based on safety classifier used to annotate data
      safety_res = message.get("safety")
      return (
          safety_res["duo_safety"] == SAFETY_OK_VALUE
          and safety_res["string_matcher"] == SAFETY_OK_VALUE
      )
  
imports: import os
  import json
  from copy import deepcopy
  from parlai.core.message import Message
  from parlai.utils.data import DatatypeHelper
  from parlai.core.teachers import ChunkTeacher
  from .build import build
label_desc: Use image node_id 8 for calling the BaseBB3DataTeacher obj's underlying member method code with example usage: obj._is_safe(message) and returns: unknown