Update app.py

app.py

@@ -3,6 +3,8 @@ import os
 os.system("git clone https://github.com/TimDettmers/bitsandbytes.git")
 os.system("cd bitsandbytes/ && pip install -r requirements-dev.txt && cmake -DCOMPUTE_BACKEND=cuda -S . && make && pip install .")
 # Check if GPU is available
+import gradio as gr
+from transformers import AutoModelForCausalLM, AutoTokenizer, BitsAndBytesConfig
 import torch
 device = torch.device("cuda" if torch.cuda.is_available() else "cpu")
 print(f"Using device: {device}")