housekeep: cleanup extra space in test_config.py

Signed-off-by: Kevin Morris <kevr@0cost.org>

test/test_config.py

@@ -160,7 +160,7 @@ def test_config_main_set_invalid_value():
     assert stderr.getvalue().strip() == expected
 
 
-@ mock.patch("aurweb.config.save", side_effect=noop)
+@mock.patch("aurweb.config.save", side_effect=noop)
 def test_config_main_set_unknown_section(save: None):
     stderr = io.StringIO()