def add_scatter_layer(self, layer):
        logging.getLogger(
            __name__).debug('Adding scatter layer for %s' % layer)
        if self.artists in layer:
            logging.getLogger(__name__).debug('Layer already present')
            return

        result = self._new_scatter_layer(layer)
        self.artists.append(result)
        self._update_scatter_layer(layer)
        return result
dataset/ETHPy150Open glue-viz/glue/glue/viewers/image/client.py/ImageClient.add_scatter_layer/swapped operands of `in`