Update app.py

app.py

@@ -164,7 +164,7 @@ def create_conversational_rag_chain(retriever):
         model_path = "qwen2-0_5b-instruct-q8_0.gguf",
         seed = 41,
         n_gpu_layers=0,
-        temperature=0.0,
+        temperature=0.4,
         n_ctx=25000,
         n_batch=2000,
         max_tokens=300,