change autotune path

Signed-off-by: xin3he <xin3.he@intel.com>

Author: xin3he

neural_compressor/torch/__init__.py

@@ -24,4 +24,4 @@
 )
 
 from neural_compressor.common.base_tuning import TuningConfig
-from neural_compressor.torch.autotune import autotune, get_default_tune_config
+from neural_compressor.torch.quantization.autotune import autotune, get_default_tune_config