Update app.py

app.py

@@ -5,8 +5,8 @@ from llama_cpp import Llama
 # Download the model from Hugging Face Hub
 print("Downloading model...")
 model_path = hf_hub_download(
-    repo_id="TheBloke/Llama-2-7B-Chat-GGUF",
-    filename="llama-2-7b-chat.Q4_K_M.gguf"
+    repo_id="unsloth/gemma-3-4b-it-GGUF",
+    filename="gemma-3-4b-it-UD-Q4_K_XL.gguf"
 )
 print("Model downloaded to:", model_path)