Check neural-compressor version for export function

Signed-off-by: Cheng, Penghui <penghui.cheng@intel.com>

Author: PenghuiCheng

optimum/intel/neural_compressor/quantization.py

@@ -28,7 +28,6 @@
 from neural_compressor.model.onnx_model import ONNXModel
 from neural_compressor.model.torch_model import IPEXModel, PyTorchModel
 from neural_compressor.quantization import fit
-from neural_compressor.utils.export import torch_to_int8_onnx
 from packaging.version import parse
 from torch.utils.data import DataLoader, RandomSampler
 from transformers import (
@@ -80,6 +79,12 @@
 )
 
 
+if is_neural_compressor_version("<", "2.6"):
+    from neural_compressor.experimental.export import torch_to_int8_onnx
+else:
+    from neural_compressor.utils.export import torch_to_int8_onnx
+
+
 if is_itrex_available():
     if is_itrex_version("<", ITREX_MINIMUM_VERSION):
         raise ImportError(

optimum/intel/neural_compressor/trainer.py

@@ -36,7 +36,6 @@
 from neural_compressor import training
 from neural_compressor.compression import DistillationCallbacks
 from neural_compressor.conf.pythonic_config import _BaseQuantizationConfig
-from neural_compressor.utils.export import torch_to_fp32_onnx, torch_to_int8_onnx
 from packaging import version
 from torch import nn
 from torch.utils.data import Dataset, RandomSampler
@@ -107,6 +106,11 @@
 if TYPE_CHECKING:
     from optimum.exporters.onnx import OnnxConfig
 
+if is_neural_compressor_version("<", "2.6"):
+    from neural_compressor.experimental.export import torch_to_fp32_onnx, torch_to_int8_onnx
+else:
+    from neural_compressor.utils.export import torch_to_fp32_onnx, torch_to_int8_onnx
+
 
 __version__ = "4.22.2"