Update app.py

app.py

@@ -171,7 +171,7 @@ def index():
         result_str += f'''<div><p class="unavailable">This app is temporarily unavailable</p></div>'''
     else:
         last_update_utc = datetime.strptime(redis_client.get('NEWSFETCHTIME'), '%Y-%m-%d %H:%M:%S.%f')
-        last_update_mins = str(np.ceil((datetime.now() - last_update_utc).seconds / 60))
+        last_update_mins = str(int(np.ceil((datetime.now() - last_update_utc).seconds / 60)))
         result_str += f'<p class="srctxt">News aggregated from <b>{src_str}</b>.<br><br>Updated {last_update_mins} minute(s) ago</p>'
 
         result_str += '''