diff --git a/tests/integration/advanced/test_timeseries.py b/tests/integration/advanced/test_timeseries.py
index c919c2e6e..f3cba25e6 100644
--- a/tests/integration/advanced/test_timeseries.py
+++ b/tests/integration/advanced/test_timeseries.py
@@ -184,7 +184,7 @@ def test_3_time_series_sktime_mixer(self):
         df = pd.DataFrame(columns=['Time', target])
         df['Time'] = t
         df[target] = ts
-        df[f'{target}_2x'] = 2*ts
+        df[f'{target}_2x'] = 2 * ts
 
         train = df[:int(len(df) * 0.8)]
         test = df[int(len(df) * 0.8):]