Update app.py

app.py

@@ -7,7 +7,6 @@ from llama_index.core.node_parser import SentenceSplitter
 from llama_index.llms.openai import OpenAI 
 import gradio as gr
 import os
-from Config import openai_key
 
 """
 Code adopted from Beebom article: "How to Train an AI Chatbot With Custom Knowledge Base Using ChatGPT API" by Arjun Sha
@@ -20,8 +19,6 @@ num_outputs = 512
 chunk_size_limit = 600
 chunk_overlap = int(chunk_size_limit * 0.1) 
 
-os.environ["OPENAI_API_KEY"] = openai_key
-
 llm = OpenAI(
     model="gpt-3.5-turbo",
     temperature=0.5,