Update app.py

app.py

@@ -111,8 +111,8 @@ class ChatDocumentQA:
 
         memory = ConversationBufferMemory(memory_key="chat_history", return_messages=True)
 
-        llm = ChatOpenAI(temperature=0)
-
+        # llm = ChatOpenAI(temperature=0)
+        llm=OpenAI(temperature=0.1)
         return ConversationalRetrievalChain.from_llm(llm=llm, retriever=vectorstore.as_retriever(),
                                                      condense_question_prompt=CONDENSE_QUESTION_PROMPT,
                                                      memory=memory)