code: def create_fb_format(
      cls, out_path, dtype, inpath, d_vocab, d_label_answer
  ):
      pass
  
imports: from typing import Optional
  import gzip
  import os
  from parlai.core.build_data import DownloadableFile
  from parlai.utils.io import PathManager
  import parlai.core.build_data
label_desc: Use image node_id 6 for calling the ParseInsuranceQA obj's underlying member method code with example usage: obj.create_fb_format(cls, out_path, dtype, inpath, d_vocab, d_label_answer) without return types