Update app.py

app.py

@@ -20,7 +20,8 @@ model_name = "microsoft/Orca-2-13b"
 tokenizer = AutoTokenizer.from_pretrained(model_name, use_fast=False)
 model = AutoModelForCausalLM.from_pretrained(model_name)
 model = model.to(torch.bfloat16)
-model = model.to(device_map='auto')
+model = model.to(device)
+
 
 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."):