Update app.py

app.py

@@ -167,9 +167,9 @@ def create_conversational_rag_chain(retriever):
         temperature=0.0,
         n_ctx=25000,
         n_batch=2000,
-        max_tokens=350,
-        repeat_penalty=1.8,
-        last_n_tokens_size = 350,
+        max_tokens=300,
+        repeat_penalty=1.9,
+        last_n_tokens_size = 300,
         callback_manager=callback_manager,
         verbose=False,
     )