Update app.py

app.py

@@ -16,7 +16,7 @@ y = data["status"].values
  
 # Train-test split
 X_train, X_test, y_train, y_test = train_test_split(
-    X, y, test_size=0.15, stratify=y, random_state=42
+    X, y, test_size=0.2, stratify=y, random_state=42
 )
  
 # Function to train model, delete a sample, and retrain