code: def _isrecursive(pattern):
      if isinstance(pattern, bytes):
          return pattern == b"**"
      else:
          return pattern == "**"
  
imports: import contextlib
  import os
  import re
  import fnmatch
  import itertools
  import stat
  import sys
label_desc: Use image node_id 17 for calling a global function with example usage: _isrecursive(pattern) and returns: unknown, unknown