code: def next_(iterator, default=UNSPECIFIED):
      if hooks._DISPATCH.detect_overload_next_(iterator):
          return hooks._DISPATCH.next_(iterator, default)
      return next_py(iterator, default)
  
imports: import inspect
  from nvidia.dali._autograph.utils import hooks
label_desc: Use image node_id 29 for calling a global function with example usage: next_(iterator, default) and returns: next_py, hooks