Update app.py

app.py

@@ -12,8 +12,13 @@ from langchain.chains import ConversationalRetrievalChain
 import streamlit as st
 import time
 
-os.environ["OPENAI_API_KEY"] = "sk-proj-Ht5xjDYvIipDt2wohlMCT3BlbkFJUCTqmrg8TRufd642B0cc"
-openai.api_key = os.environ["OPENAI_API_KEY"]
+
+
+
+from openai import OpenAI
+api_key = os.getenv("OPENAI_API_KEY")
+client = OpenAI(api_key=api_key)
+
 from langchain.embeddings.openai import OpenAIEmbeddings
 embeddings=OpenAIEmbeddings()