Update app.py

app.py

@@ -26,7 +26,7 @@ Mistral does not support system prompt symbol (such as ```<<SYS>>```) now, input
 """
 
 model_path = "models"
-model_name = "mistral-7b-instruct-v0.1.Q4_K_M.gguf"
+model_name = "mistral-7b-instruct-v0.1.Q2_K.gguf"
 
 hf_hub_download(repo_id="TheBloke/Mistral-7B-Instruct-v0.1-GGUF", filename=model_name, local_dir=model_path, local_dir_use_symlinks=False)