From 0a9545d415b6ed31682910ceb42328f9b78af4ae Mon Sep 17 00:00:00 2001
From: Nguyen Ngo <ngodanguyen@macbook-local>
Date: Wed, 24 Jun 2026 18:01:18 -0400
Subject: [PATCH] Jun 24 - Implement devices tracker - Fix 500 error

---
 app/routes/devices.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/app/routes/devices.py b/app/routes/devices.py
index 92267f5..33385e6 100644
--- a/app/routes/devices.py
+++ b/app/routes/devices.py
@@ -25,7 +25,7 @@ def index():
     """Show all registered devices, most-recently-seen first."""
     devices = (
         DeviceToken.query
-        .order_by(DeviceToken.last_seen_at.desc().nullslast())
+        .order_by(DeviceToken.registered_at.desc())
         .all()
     )
     return render_template('admin/devices.html', devices=devices)
@@ -96,4 +96,4 @@ def notify_update():
         f'Update notice sent to {notified} user(s) on {len(outdated)} outdated device(s).',
         'success'
     )
-    return redirect(url_for('devices.index'))
+    return redirect(url_for('devices.index'))
\ No newline at end of file