Update app.py

app.py

@@ -1,8 +1,14 @@
 import gradio as gr
 from llama_cpp import Llama
+from huggingface_hub import hf_hub_download
+
+model_path = hf_hub_download(
+    repo_id="AstroMLab/AstroSage-8B-GGUF",
+    filename="AstroSage-8B-Q8_0.gguf"
+)
 
 llm = Llama(
-    model_path="https://huggingface.co/AstroMLab/AstroSage-8B-GGUF/raw/main/AstroSage-8B-Q8_0.gguf",
+    model_path=model_path,
     n_ctx=2048,
     n_threads=4,
     seed=42,