code format

visualdl/python/test_storage.py

@@ -4,13 +4,15 @@ import unittest
 import random
 import time
 
+
 class StorageTest(unittest.TestCase):
     def setUp(self):
         self.dir = "./tmp/storage_test"
 
     def test_read(self):
         print 'test write'
-        self.writer = storage.StorageWriter(self.dir, sync_cycle=1).as_mode("train")
+        self.writer = storage.StorageWriter(
+            self.dir, sync_cycle=1).as_mode("train")
         scalar = self.writer.scalar("model/scalar/min")
         # scalar.set_caption("model/scalar/min")
         for i in range(10):