Update app.py

app.py

@@ -85,9 +85,9 @@ hf = HuggingFaceEmbeddings(
 callback_manager = CallbackManager([StreamingStdOutCallbackHandler()])
 
 llm = llamacpp.LlamaCpp(
-    model_path= 'mistral-7b-v0.1-layla-v4-Q4_K_M.gguf',
+    model_path= 'qwen2-0_5b-instruct-q4_0.gguf',
     n_gpu_layers=0,
-    temperature=0.1,
+    temperature=0.0,
     top_p=0.5,
     n_ctx=7000,
     max_tokens=350,