Update app.py

app.py

@@ -1,3 +1,4 @@
+import os
 import streamlit as st
 import pandas as pd
 from datasets import load_dataset
@@ -109,7 +110,7 @@ if "df" in st.session_state:
         df.to_csv("patent_data.csv", index=False)
 
         csv_agent = create_csv_agent(
-            ChatOpenAI(temperature=0, model="gpt-4", api_key=st.secrets["api_key"]),
+            ChatOpenAI(temperature=0, model="gpt-4", api_key=os.getenv("OPENAI_API_KEY")),
             path=["patent_data.csv"],
             verbose=True,
             agent_type=AgentType.OPENAI_FUNCTIONS,