Update app.py

app.py

@@ -20,7 +20,7 @@ logging.getLogger().addHandler(logging.StreamHandler(stream=sys.stdout))
 
 def configure_llama_model():
     
-    model_url = 'https://huggingface.co/TheBloke/stablelm-zephyr-3b-GGUF/resolve/main/stablelm-zephyr-3b.Q4_K_M.gguf'
+    model_url = 'https://huggingface.co/TheBloke/stablelm-zephyr-3b-GGUF/resolve/main/stablelm-zephyr-3b.Q4_0.gguf'
     llm = LlamaCPP(
         model_url=model_url,
         temperature=0.3,