code: def _glob2(self, dirname, pattern, dironly):  # pragma: no cover
      assert _isrecursive(pattern)
      yield pattern[:0]
      yield from self._rlistdir(dirname, dironly)
  
file_path: mars/mars/lib/filesystem/_glob.py
imports: import fnmatch
  import os
  import re
  from .core import FileSystem
label_desc: Use image node_id 9 for calling the FileSystemGlob obj's underlying member method code with example usage: obj._glob2(dirname, pattern, dironly) without return types