parameters: (message, category=None, stacklevel=1)
docstring: Issue a deprecation warning for Python 3.x related changes.
  
      Warnings are omitted unless Python is started with the -3 option.
docstring_summary: Issue a deprecation warning for Python 3.x related changes.
docstring_tokens: Issue a deprecation warning for Python 3 . x related changes .
function: def warnpy3k(message, category=None, stacklevel=1):
      """Issue a deprecation warning for Python 3.x related changes.
  
      Warnings are omitted unless Python is started with the -3 option.
      """
      if sys.py3kwarning:
          if category is None:
              category = DeprecationWarning
          warn(message, category, stacklevel+1)
function_tokens: def warnpy3k ( message , category = None , stacklevel = 1 ) : if sys . py3kwarning : if category is None : category = DeprecationWarning warn ( message , category , stacklevel + 1 )