cleaner key display

app.py

@@ -1,7 +1,7 @@
 import streamlit as st
 import pandas as pd
 from langchain.prompts import FewShotPromptTemplate, PromptTemplate
-from langchain.llms import OpenAIChat
+from langchain.chat_models import ChatOpenAI
 from langchain.callbacks import get_openai_callback
 from langchain.chains import LLMChain
 
@@ -23,7 +23,7 @@ selected_model = st.sidebar.selectbox(
 selected_dataset = st.sidebar.selectbox(
     "Select Dataset", ["Regulatory Changes", "Dealer Risk", "Custom"]
 )
-openai_api_key = st.sidebar.text_input("OpenAI API Key", value="xxx", type="password")
+openai_api_key = st.sidebar.text_input("OpenAI API Key", value="", type="password")
 
 
 prompt_prefix = """You are a news recommender and your job is to look at an article and decide if I would find it useful or not.
@@ -188,7 +188,9 @@ for index, row in predictions_data.iterrows():
     st.markdown("---")
 
 
-llm = OpenAIChat(temperature=0.0, openai_api_key=openai_api_key)
+llm = ChatOpenAI(
+    temperature=0.0, openai_api_key=openai_api_key if openai_api_key != "" else " "
+)
 example_prompt = PromptTemplate(
     input_variables=["headline", "publisher", "answer"],
     template="Headline: {headline}\nPublisher: {publisher}\nAnswer: {answer}",