about page now extends base (so has navbar -oops), and DEV finds last file change time

main.py

@@ -6,6 +6,8 @@ from flask_marshmallow import Marshmallow
 from flask_bootstrap import Bootstrap
 from wtforms import SubmitField, StringField, HiddenField, SelectField, IntegerField, TextAreaField, validators
 from flask_wtf import FlaskForm
+import glob
+from datetime import datetime
 import os
 import re
 import socket
@@ -158,9 +160,15 @@ def about():
                 else:
                     o['str']=o['str']+l
     except FileNotFoundError:
+        most_recent=0
+        for file in glob.glob("./*"):
+            timestamp = os.path.getctime(file)
+            if timestamp < most_recent:
+                continue
+            most_recent = timestamp
         o={}
         o['date']="No known date"
-        o['str']='No commits to display (if this is DEV then last build is now)'
+        o['str']=f'No commits to display (if this is DEV then last change was {datetime.fromtimestamp(most_recent).replace(microsecond=0)})'
 
     # add last commit (or fake commit if no file)
     commits.append(o)