Update app.py

app.py

@@ -4,7 +4,7 @@ import matplotlib.pyplot as plt
 from sklearn.ensemble import IsolationForest
 from datetime import datetime
 
-def detect_anomalies(text, contamination):
+def detect_anomalies(text, contamination=0.1):
     lines = text.strip().split("\n")
     data = []
     for line in lines: