fix deprecated

python/paddle/fluid/input.py

@@ -17,6 +17,7 @@ import warnings
 from .framework import Variable, in_dygraph_mode
 from .layer_helper import LayerHelper
 from .data_feeder import check_variable_and_dtype, check_dtype
+from ..utils import deprecated
 
 __all__ = ['one_hot', 'embedding']
 

python/paddle/fluid/layers/nn.py

@@ -35,6 +35,7 @@ from . import utils
 from .. import unique_name
 from functools import reduce
 from .. import core
+from ..utils import deprecated
 from ..data_feeder import convert_dtype, check_variable_and_dtype, check_type, check_dtype
 import paddle
 from paddle.utils import deprecated