diff --git a/fraud_detection/anomaly_detection.py b/fraud_detection/anomaly_detection.py
index 290777c23..1295cd588 100644
--- a/fraud_detection/anomaly_detection.py
+++ b/fraud_detection/anomaly_detection.py
@@ -2,6 +2,7 @@
 import pandas as pd
 from sklearn.ensemble import IsolationForest
 
+
 class AnomalyDetection:
     def __init__(self, transaction_data):
         self.transaction_data = transaction_data