def set_option(self, key, value=True):
    """
      Sets one of the options used later one by the instrumentation. The available
      options are listed in `KNOWN_OPTIONS`.

      :param key: The name of the option to set.
      :param value: The value of the option. Defaults to ``True``.
    """
    if key not in Instrumentation.KNOWN_OPTIONS:
      raise Exception(key % 'Unknown option `%s`')
    self.options[key] = value
dataset/ETHPy150Open neuroo/equip/equip/instrument.py/Instrumentation.set_option/swapped operands of `%`