Remove the audio plugins loaded and closes connection with mod-host.

        .. note::

            If the mod-host process has been created with :meth:`~pluginsmanager.observer.mod_host.ModHost.start()`
            method, it will be finished.

def close(self):
        """
        Remove the audio plugins loaded and closes connection with mod-host.

        .. note::

            If the mod-host process has been created with :meth:`~pluginsmanager.observer.mod_host.ModHost.start()`
            method, it will be finished.
        """
        if self.host is None:
            raise ModHostError('There is no established connection with mod-host. '
                               'Did you call the `connect()` method?')

        super(ModHost, self).close()

        if self._started_with_this_api:
            self.host.quit()
        else:
            self.host.close()