Update app.py

app.py

@@ -26,7 +26,7 @@ def get_messages_formatter_type(model_name):
 def respond(
     message,
     history: list[tuple[str, str]],
-    model="open_gpt4_8x7b_v0.2.Q5_K_M.gguf",
+    model,
     system_message,
     max_tokens,
     temperature,
@@ -36,6 +36,7 @@ def respond(
 ):
     global llm
     global llm_model
+    model = "open_gpt4_8x7b_v0.2.Q5_K_M.gguf"
     
     chat_template = get_messages_formatter_type(model)