diff --git a/python/paddle/distributed/fleet/meta_optimizers/amp_optimizer.py b/python/paddle/distributed/fleet/meta_optimizers/amp_optimizer.py
index 3e89d3821110752d2f526f2af89a426648c05ce1..ad96e1426694f090943bdd08902e5e2219d32eda 100644
--- a/python/paddle/distributed/fleet/meta_optimizers/amp_optimizer.py
+++ b/python/paddle/distributed/fleet/meta_optimizers/amp_optimizer.py
@@ -22,9 +22,13 @@ class AMPOptimizer(MetaOptimizerBase):
         self.amp_opt = None
         # we do not allow meta optimizer to be inner optimizer currently
         self.meta_optimizers_white_list = [
-            "LarsOptimizer", "LambOptimizer", "RecomputeOptimizer",
-            "LocalSGDOptimizer", "GradientMergeOptimizer",
-            "GraphExecutionOptimizer", "AdaptiveLocalSGDOptimizer"
+            "LarsOptimizer",
+            "LambOptimizer",
+            "RecomputeOptimizer",
+            "LocalSGDOptimizer",
+            "GradientMergeOptimizer",
+            "GraphExecutionOptimizer",
+            "AdaptiveLocalSGDOptimizer",
         ]
         self.meta_optimizers_black_list = ["DGCOptimizer"]
 
diff --git a/python/paddle/distributed/fleet/meta_optimizers/localsgd_optimizer.py b/python/paddle/distributed/fleet/meta_optimizers/localsgd_optimizer.py
index 75271968fca6853ad8d26cb2237a4d6fa7c7dffc..4ebac20888dd708bd90f91abdef4a472bac2847c 100644
--- a/python/paddle/distributed/fleet/meta_optimizers/localsgd_optimizer.py
+++ b/python/paddle/distributed/fleet/meta_optimizers/localsgd_optimizer.py
@@ -26,7 +26,8 @@ class LocalSGDOptimizer(MetaOptimizerBase):
         self.inner_opt = optimizer
         self.meta_optimizers_white_list = []
         self.meta_optimizers_black_list = [
-            "GraphExecutionOptimizer", "AdaptiveLocalSGDOptimizer"
+            "GraphExecutionOptimizer",
+            "AdaptiveLocalSGDOptimizer",
         ]
         self.snapshot_key = '@SNAPSHOT'