Convert fan component to config entry (#16951)

* Conver fan component to config entry

* Lint

homeassistant/components/fan/__init__.py

@@ -4,7 +4,6 @@ Provides functionality to interact with fans.
 For more details about this component, please refer to the documentation at
 https://home-assistant.io/components/fan/
 """
-import asyncio
 from datetime import timedelta
 import functools as ft
 import logging
@@ -98,13 +97,12 @@ def is_on(hass, entity_id: str = None) -> bool:
     return state.attributes[ATTR_SPEED] not in [SPEED_OFF, STATE_UNKNOWN]
 
 
-@asyncio.coroutine
+async def async_setup(hass, config: dict):
-def async_setup(hass, config: dict):
     """Expose fan control via statemachine and services."""
-    component = EntityComponent(
+    component = hass.data[DOMAIN] = EntityComponent(
         _LOGGER, DOMAIN, hass, SCAN_INTERVAL, GROUP_NAME_ALL_FANS)
 
-    yield from component.async_setup(config)
+    await component.async_setup(config)
 
     component.async_register_entity_service(
         SERVICE_TURN_ON, FAN_TURN_ON_SCHEMA,
@@ -134,6 +132,16 @@ def async_setup(hass, config: dict):
     return True
 
 
+async def async_setup_entry(hass, entry):
+    """Set up a config entry."""
+    return await hass.data[DOMAIN].async_setup_entry(entry)
+
+
+async def async_unload_entry(hass, entry):
+    """Unload a config entry."""
+    return await hass.data[DOMAIN].async_unload_entry(entry)
+
+
 class FanEntity(ToggleEntity):
     """Representation of a fan."""