Update Lib/test/test_csv.py

Co-authored-by: Bénédikt Tran <10796600+picnixz@users.noreply.github.com>

Author: maurycy

Lib/test/test_csv.py

@@ -1462,6 +1462,7 @@ def test_zero_mode_tie_order_independence(self):
         dialect = sniffer.sniff(sample)
         self.assertEqual(dialect.delimiter, ",")
 
+
 class NUL:
     def write(s, *args):
         pass