def layer_drawn(self, layer):
        return layer in self.client._artists and \
            all(a.visible for a in self.client._artists[layer]) and \
            all(len(a.artists) > 0 for a in self.client._artists[layer])
dataset/ETHPy150Open glue-viz/glue/glue/viewers/histogram/tests/test_client.py/TestHistogramClient.layer_drawn/original