Update app.py

app.py

@@ -19,6 +19,7 @@ if not os.path.exists(offload_folder):
 
 model = AutoModelForCausalLM.from_pretrained(model_name, device_map='auto', offload_folder=offload_folder)
 tokenizer = AutoTokenizer.from_pretrained(model_name, use_fast=False,)
+model.to(torch.bfloat16)
 
 class OrcaChatBot:
     def __init__(self, model, tokenizer, system_message="You are Orca, an AI language model created by Microsoft. You are a cautious assistant. You carefully follow instructions. You are helpful and harmless and you follow ethical guidelines and promote positive behavior."):