Added attribute attribution to Digital Ocean component (#15114)

homeassistant/components/binary_sensor/digital_ocean.py

@@ -14,7 +14,8 @@ from homeassistant.components.binary_sensor import (
 from homeassistant.components.digital_ocean import (
     CONF_DROPLETS, ATTR_CREATED_AT, ATTR_DROPLET_ID, ATTR_DROPLET_NAME,
     ATTR_FEATURES, ATTR_IPV4_ADDRESS, ATTR_IPV6_ADDRESS, ATTR_MEMORY,
-    ATTR_REGION, ATTR_VCPUS, DATA_DIGITAL_OCEAN)
+    ATTR_REGION, ATTR_VCPUS, CONF_ATTRIBUTION, DATA_DIGITAL_OCEAN)
+from homeassistant.const import ATTR_ATTRIBUTION
 
 _LOGGER = logging.getLogger(__name__)
 
@@ -75,6 +76,7 @@ class DigitalOceanBinarySensor(BinarySensorDevice):
     def device_state_attributes(self):
         """Return the state attributes of the Digital Ocean droplet."""
         return {
+            ATTR_ATTRIBUTION: CONF_ATTRIBUTION,
             ATTR_CREATED_AT: self.data.created_at,
             ATTR_DROPLET_ID: self.data.id,
             ATTR_DROPLET_NAME: self.data.name,