fix calendar again

src/helpers/calendar.js

@@ -474,7 +474,7 @@ const createEvent = async (event) => {
   }
 };
 
-SaveEventsInGoogleCalendar = async function SaveEventsInGoogleCalendar(events) {
+const SaveEventsInGoogleCalendar = async function SaveEventsInGoogleCalendar(events) {
   // Load client secrets from a local file.
   try {
     const content = await fs.readFile(CREDENTIALS_PATH);