Update README.md

README.md

@@ -12,12 +12,14 @@ This model is an int4 model with group_size 128 and symmetric quantization of [a
 
 
 ## How To Use
+transformers<=4.48.3, auto-round>0.5.1
+
 ### INT4 Inference
 ```python
 from transformers import AutoModelForCausalLM, AutoProcessor, GenerationConfig
 from PIL import Image
 import requests
-
+from auto_round import AutoRound # must import for auto-round format if transformers <= 4.51.3
 quantized_model_path = "OPEA/Molmo-7B-D-0924-int4-sym-inc"
 
 # load the processor