code: def _is_nonprior_wave(arg):
      return arg.startswith("/") or arg == ""
  
imports: import copy
  import errno
  import logging
  import os
  import re
  import shutil
  from collections import OrderedDict, defaultdict
  from orion.core.io.cmdline_parser import CmdlineParser
  from orion.core.io.convert import infer_converter_from_file_type
  from orion.core.utils.flatten import flatten
label_desc: Use image node_id 1 for calling a global function with example usage: _is_nonprior_wave(arg) and returns: unknown