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python/paddle/fluid/layers/control_flow.py

@@ -1218,6 +1218,7 @@ class IfElse(object):
 
     Examples:
           .. code-block:: python
+
             limit = layers.fill_constant_batch_size_like(
                 input=label, dtype='int64', shape=[1], value=5.0)
             cond = layers.less_than(x=label, y=limit)

python/paddle/fluid/layers/io.py

@@ -596,6 +596,7 @@ class Preprocessor(object):
 
     Examples:
           .. code-block:: python
+
             preprocessor = fluid.layers.io.Preprocessor(reader=reader)
             with preprocessor.block():
                 img, lbl = preprocessor.inputs()