docs: def reraise(tpe, value, tb=None):
    " Reraise an exception from an exception info tuple. "
  
    Py3 = (sys.version_info[0] == 3)
    if value is None:
      value = tpe()
    if Py3:
      if value.__traceback__ is not tb:
        raise value.with_traceback(tb)
      raise value
    else:
        exec('raise tpe, value, tb')