code: def fullname(fn):
      """for compatibility with Py 2.7"""
      return (
          fn.__qualname__
          if hasattr(fn, "__qualname__")
          else fn.__name__
      )
  
imports: from h2o.utils.compatibility import *
  from functools import wraps
  import inspect
  import warnings
  from h2o.exceptions import H2ODeprecationWarning
label_desc: Use image node_id 2 for calling a global function with example usage: fullname(fn) and returns: unknown