diff --git a/python/paddle/fluid/contrib/__init__.py b/python/paddle/fluid/contrib/__init__.py
index 70c056ed7543ace5e39ec649452b0313eb086ca4..3bf2fe5db0cb2126295ebfda822eeac8762dbdb7 100644
--- a/python/paddle/fluid/contrib/__init__.py
+++ b/python/paddle/fluid/contrib/__init__.py
@@ -27,4 +27,4 @@ __all__ = []
 __all__ += decoder.__all__
 __all__ += memory_usage_calc.__all__
 __all__ += op_frequence.__all__
-__all__ += quantize.__all__
\ No newline at end of file
+__all__ += quantize.__all__