From 4521188e32795e2372394c104e75d86653b28a92 Mon Sep 17 00:00:00 2001
From: Daniel Standish <15932138+dstandish@users.noreply.github.com>
Date: Tue, 27 Sep 2022 23:31:47 -0700
Subject: [PATCH] Don't iterate tis list twice for no reason (#26740)

Just don't need this line.
---
 airflow/www/views.py | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/airflow/www/views.py b/airflow/www/views.py
index 0cf35fba3a595..8fe84189e84ee 100644
--- a/airflow/www/views.py
+++ b/airflow/www/views.py
@@ -3175,9 +3175,7 @@ def landing_times(self, dag_id, session=None):
                 x=x_points[task_id],
                 y=scale_time_units(y_points[task_id], y_unit),
             )
-
-        dates = sorted({ti.execution_date for ti in tis})
-        max_date = max(ti.execution_date for ti in tis) if dates else None
+        max_date = max(ti.execution_date for ti in tis) if tis else None
 
         session.commit()