Fix lint error

gwcelery/tasks/first2years.py

@@ -145,8 +145,10 @@ def _upload_psd(graceid):
 
 @app.on_after_configure.connect
 def setup_periodic_tasks(sender, **kwargs):
-    """See https://docs.celeryproject.org/en/stable/userguide/periodic-tasks.html#entries.
-    Schedule a periodic task every 3600 seconds.
+    """Register periodic tasks.
+
+    See
+    https://docs.celeryproject.org/en/stable/userguide/periodic-tasks.html.
     """
     sender.add_periodic_task(3600.0, upload_event)