Async syntax 6, sensor (#17020)

homeassistant/components/sensor/api_streams.py

@@ -4,7 +4,6 @@ Entity to track connections to stream API.
 For more details about this platform, please refer to the documentation at
 https://home-assistant.io/components/sensor.api_stream/
 """
-import asyncio
 import logging
 
 from homeassistant.const import EVENT_HOMEASSISTANT_STOP
@@ -48,9 +47,8 @@ class StreamHandler(logging.Handler):
         self.entity.schedule_update_ha_state()
 
 
-@asyncio.coroutine
-def async_setup_platform(hass, config, async_add_entities,
-                         discovery_info=None):
+async def async_setup_platform(hass, config, async_add_entities,
+                               discovery_info=None):
     """Set up the API stream platform."""
     entity = APICount()
     handler = StreamHandler(entity)