Update app.py

app.py

@@ -138,7 +138,7 @@ def create_conversational_rag_chain(retriever):
         n_batch=2000,
         max_tokens=200,
         repeat_penalty=1.7,
-        last_n_tokens_size = 200,
+        #last_n_tokens_size = 200,
         # callback_manager=callback_manager,
         verbose=False,
     )