set created_on when we create a refimg

person.py

@@ -12,6 +12,7 @@ from shared import GenFace, GenThumb
 from face import FaceRefimgLink
 import os
 import json
+import time
 
 
 # pylint: disable=no-member
@@ -196,6 +197,7 @@ def add_refimg():
         refimg.face, face_locn = GenFace( fname, model=model.name )
         refimg.face_locn = json.dumps(face_locn)
         refimg.model_used = settings.default_refimg_model
+        refimg.created_on = time.time()
         os.remove(fname)
         person.refimg.append(refimg)
         db.session.add(person)