code: def _path(opt):
      """
      Ensures that the data is build and returns path to specific data file.
  
      :param opt:
          Options dict: mainly used to access the data file name while path creation.
      """
      # ensure data is built
      build(opt)
      return os.path.join(opt["datapath"], "taskmaster-1", opt["fn"])
  
imports: from .build import build
  import os
label_desc: Use image node_id 1 for calling a global function with example usage: _path(opt) and returns: os