Update Lib/test/datetimetester.py

style alignment, add space after function arguments as requested

Co-authored-by: Stan Ulbrych <89152624+StanFromIreland@users.noreply.github.com>

Author: jyalim

Lib/test/datetimetester.py

@@ -1215,8 +1215,8 @@ def test_strptime_leap_year(self):
     def test_strptime_F_format(self):
         test_date = "2025-10-26"
         self.assertEqual(
-            datetime.strptime(test_date,"%F"),
-            datetime.strptime(test_date,"%Y-%m-%d")
+            datetime.strptime(test_date, "%F"),
+            datetime.strptime(test_date, "%Y-%m-%d")
         )
 
     def test_strptime_T_format(self):