update loading instructions

README.md

@@ -33,8 +33,8 @@ Below linear modules (21/133) are fallbacked to fp32 for less than 1% relative a
 
 ```python
 # transformers <= 4.23.0
-from optimum.intel.neural_compressor.quantization import IncQuantizedModelForSeq2SeqLM
-int8_model = IncQuantizedModelForSeq2SeqLM.from_pretrained(
-    'Intel/distilbart-cnn-12-6-int8-dynamic',
-)
-```
+from optimum.intel import INCModelForSeq2SeqLM
+
+model_id = "Intel/distilbart-cnn-12-6-int8-dynamic"
+int8_model = INCModelForSeq2SeqLM.from_pretrained(model_id)
+```