import torch
from transformers import AutoModelForCausalLM, AutoTokenizer, BitsAndBytesConfig
import traceback
MODEL = "Qwen/Qwen2.5-7B-Instruct"
print(f"Loading {MODEL}...")
try:
tokenizer = AutoTokenizer.from_pretrained(MODEL, trust_remote_code=True)
bnb_config = BitsAndBytesConfig(load_in_4bit=True, bnb_4bit_compute_dtype=torch.float16)
model = AutoModelForCausalLM.from_pretrained(MODEL, quantization_config=bnb_config, device_map="auto", trust_remote_code=True)
print("Model loaded OK")
inputs = tokenizer("Hello", return_tensors="pt").to(model.device)
out = model.generate(**inputs, max_new_tokens=10)
print("Output:", tokenizer.decode(out[0]))
except Exception as e:
print("FULL TRACEBACK:")
traceback.print_exc()