Make indentation more sensible

Starting arguments on their own line and putting the closing parenthesis
on it’s own line because any subsequent changes to the arguments diff
cleanly (ie without touching any other lines).

app/notify_client/notification_api_client.py

@@ -19,14 +19,16 @@ class NotificationApiClient(BaseAPIClient):
             params=params
         )
 
-    def get_notifications_for_service(self,
-                                      service_id,
-                                      job_id=None,
-                                      template_type=None,
-                                      status=None,
-                                      page=None,
-                                      page_size=None,
-                                      limit_days=None):
+    def get_notifications_for_service(
+        self,
+        service_id,
+        job_id=None,
+        template_type=None,
+        status=None,
+        page=None,
+        page_size=None,
+        limit_days=None
+    ):
         params = {}
         if page is not None:
             params['page'] = page