diff --git a/.gitignore b/.gitignore
index 3a6ee76b7..8f0a203b6 100644
--- a/.gitignore
+++ b/.gitignore
@@ -153,7 +153,7 @@ asv/results
 
 .DS_Store
 
-#slurm.sh generated sh
+# slurm.sh generated sh
 python/xorbits/deploy/slurm/tests/slurm.sh
 
 # vineyard & etcd
diff --git a/python/xorbits/_mars/storage/tests/test_libs.py b/python/xorbits/_mars/storage/tests/test_libs.py
index 633f19254..5f6a2454a 100644
--- a/python/xorbits/_mars/storage/tests/test_libs.py
+++ b/python/xorbits/_mars/storage/tests/test_libs.py
@@ -190,7 +190,6 @@ async def test_base_operations(storage_context):
     )
     put_info2 = await storage.put(data2)
     get_data2 = await storage.get(put_info2.object_id)
-
     pd.testing.assert_frame_equal(data2, get_data2)
 
     info2 = await storage.object_info(put_info2.object_id)