Update app.py

app.py

@@ -3,8 +3,7 @@ import openai
 import streamlit as st
 
 # Set your OpenAI API key as an environment variable
-#openai_api_key = os.getenv('OPENAI_API_KEY')
-#openai.api_key = openai_api_key
+openai.api_key = os.getenv('OPENAI_API_KEY')
 
 def chat(user_message):
     response = openai.ChatCompletion.create(
@@ -19,7 +18,7 @@ def chat(user_message):
         frequency_penalty=0,
         presence_penalty=0
     )
-    return response.choices[0].message["content"]
+    return response['choices'][0]['message']['content']
 
 st.title("GPT-4 Chatbot")
 st.write("Chat with GPT-4 using OpenAI API")