Update app.py

app.py

@@ -7,7 +7,9 @@ import gradio as gr
 from datetime import datetime
 
 # Method to set OPENAI_API_KEY in Hugging Face Space
-os.environ["OPENAI_API_KEY"] = "your_api_key_here"
+import os
+api_key = os.environ["OPENAI_API_KEY"]
+
 
 APP_TITLE = "GPT5 Demo"
 APP_DESC = "A polished Gradio chat demo with presets, file context, tools, and export."