diff --git a/python/paddle/dataset/uci_housing.py b/python/paddle/dataset/uci_housing.py
index 1a5e2a39446f67f430e524a75082ac003fc73d9e..b685fa27ea5992a5aa979080ff7a038fda4f9a0a 100644
--- a/python/paddle/dataset/uci_housing.py
+++ b/python/paddle/dataset/uci_housing.py
@@ -137,6 +137,7 @@ def predict_reader():
     load_data(paddle.dataset.common.download(URL, 'uci_housing', MD5))
     return (UCI_TEST_DATA[0][:-1],)
 
+
 def fetch():
     paddle.dataset.common.download(URL, 'uci_housing', MD5)