PEFT How to use darshil3011/falcon-custom-sharded with PEFT:
from peft import PeftModel
from transformers import AutoModelForCausalLM
base_model = AutoModelForCausalLM.from_pretrained("ybelkada/falcon-7b-sharded-bf16")
model = PeftModel.from_pretrained(base_model, "darshil3011/falcon-custom-sharded") 
