diff --git a/python/paddle/fluid/__init__.py b/python/paddle/fluid/__init__.py
index 9e4a5ae8baaf7f2975c8060856f9eecab55f241c..1ca2ac2ddc7daef3f4c0ea2004a62258ae4610ac 100644
--- a/python/paddle/fluid/__init__.py
+++ b/python/paddle/fluid/__init__.py
@@ -46,7 +46,7 @@ from . import transpiler
 from .param_attr import ParamAttr, WeightNormParamAttr
 from .data_feeder import DataFeeder
 from .core import LoDTensor, LoDTensorArray, CPUPlace, CUDAPlace, CUDAPinnedPlace, Scope
-from .transpiler import DistributeTranspiler, \
+from .transpiler import DistributeTranspiler, InferenceTranspiler, \
     memory_optimize, release_memory, DistributeTranspilerConfig
 from .lod_tensor import create_lod_tensor, create_random_int_lodtensor
 from . import clip
diff --git a/python/paddle/fluid/contrib/tests/test_quantize_transpiler.py b/python/paddle/fluid/contrib/tests/test_quantize_transpiler.py
index 8800be68f8f0b4296471298e45f60b9f4fdd6e85..c8ab20c459dde648a3c2b463654561f8b3fb7ca7 100644
--- a/python/paddle/fluid/contrib/tests/test_quantize_transpiler.py
+++ b/python/paddle/fluid/contrib/tests/test_quantize_transpiler.py
@@ -210,7 +210,7 @@ class TestQuantizeTranspiler(unittest.TestCase):
 
         with fluid.program_guard(main):
             for _ in range(iter):
-                data = train_reader().next()
+                data = next(train_reader())
                 loss_v = exe.run(program=main,
                                  feed=feeder.feed(data),
                                  fetch_list=[loss])
diff --git a/python/paddle/fluid/transpiler/__init__.py b/python/paddle/fluid/transpiler/__init__.py
index c5d2502ddbb4afa1dba1f97e8867174469382abe..c9a8176a72fb744963ae466e965a25bdfb0a44de 100644
--- a/python/paddle/fluid/transpiler/__init__.py
+++ b/python/paddle/fluid/transpiler/__init__.py
@@ -15,6 +15,7 @@
 from __future__ import print_function
 
 from .distribute_transpiler import DistributeTranspiler, DistributeTranspilerConfig
+from .inference_transpiler import InferenceTranspiler
 from .memory_optimization_transpiler import memory_optimize, release_memory
 from .ps_dispatcher import HashName, RoundRobin