[odrs-web] Attempt to fix backtrace

[Richard Hughes <rhughes src gnome org>]

commit b13d01c1411a2303647e68385dd7553def47ea5b
Author: Richard Hughes <richard hughsie com>
Date:   Wed Sep 30 20:04:07 2020 +0100

    Attempt to fix backtrace

 app_data/odrs/views_api.py | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)
---
diff --git a/app_data/odrs/views_api.py b/app_data/odrs/views_api.py
index b0339ee..2986ad2 100644
--- a/app_data/odrs/views_api.py
+++ b/app_data/odrs/views_api.py
@@ -49,8 +49,7 @@ def _get_review_score(review, item):
     ku = review.karma_up
     kd = review.karma_down
 
-    created = datetime.datetime.fromtimestamp(review.date_created)
-    months_old = (datetime.datetime.now() - created).days // 30
+    months_old = (datetime.datetime.now() - review.date_created).days // 30
 
     # If the review is very new, provide a temporary visibility boost.
     # The floor of 4 is arbitrary and may need adjustment in the future.