fix lint error

Author: lpizzinidev

pandas/tests/series/methods/test_combine_first.py

@@ -103,8 +103,13 @@ def test_combine_first_dt_tz_values(self, tz_naive_fixture):
 
     def test_combine_first_timezone_series_with_empty_series(self):
         # GH 41800
-        time_index = pd.date_range(datetime(2021, 1, 1, 1), datetime(2021, 1, 1, 10), freq='H', tz='Europe/Rome')
+        time_index = pd.date_range(
+            datetime(2021, 1, 1, 1), 
+            datetime(2021, 1, 1, 10), 
+            freq='H', 
+            tz='Europe/Rome'
+        )
         s1 = Series(np.random.random(10), index=time_index)
         s2 = Series()
         result = s1.combine_first(s2)
-        tm.assert_equal(result.values, s1.values)
+        tm.assert_equal(result.values, s1.values)