PEFT How to use adalib/megengine-data-codegen-2B-mono-prefix with PEFT:
from peft import PeftModel
from transformers import AutoModelForCausalLM
base_model = AutoModelForCausalLM.from_pretrained("Salesforce/codegen-2B-mono")
model = PeftModel.from_pretrained(base_model, "adalib/megengine-data-codegen-2B-mono-prefix") 
