Use relative imports inside integrations (#22235)

* Use relative imports inside integrations

* Lint

* Fix automation tests

* Fix scene imports

homeassistant/components/notify/aws_lambda.py

@@ -4,19 +4,18 @@ AWS Lambda platform for notify component.
 For more details about this platform, please refer to the documentation at
 https://home-assistant.io/components/notify.aws_lambda/
 """
-import logging
-import json
 import base64
+import json
+import logging
 
 import voluptuous as vol
 
-from homeassistant.const import (
-    CONF_PLATFORM, CONF_NAME)
-from homeassistant.components.notify import (
-    ATTR_TARGET, PLATFORM_SCHEMA, BaseNotificationService)
+from homeassistant.const import CONF_NAME, CONF_PLATFORM
 import homeassistant.helpers.config_validation as cv
 from homeassistant.helpers.json import JSONEncoder
 
+from . import ATTR_TARGET, PLATFORM_SCHEMA, BaseNotificationService
+
 REQUIREMENTS = ['boto3==1.9.16']
 
 _LOGGER = logging.getLogger(__name__)