diff --git a/menelaus/data_drift/psi_detector.py b/menelaus/data_drift/psi_detector.py
index 9ac653d..efad3a8 100644
--- a/menelaus/data_drift/psi_detector.py
+++ b/menelaus/data_drift/psi_detector.py
@@ -94,6 +94,7 @@ def update(self, X: np.array, y_true=None, y_pred=None):
             self._drift_state = "drift"
             self.set_reference(test_batch)
         return psi_value
+
     def _bin_data(self, feature, min, max):
         """
         Bin the given feature based on the specified minimum and maximum values.