Update app.py

app.py

@@ -1,3 +1,10 @@
+import os
 import gradio as gr
 
-gr.Interface.load("models/OpenAssistant/oasst-sft-4-pythia-12b-epoch-3.5").launch()
+api_url = os.getenv("OPENCHAT_API_URL")
+
+if not api_url:
+    raise ValueError("Please set the environment variable OPENCHAT_API_URL.")
+
+gr.Interface.load("models/OpenAssistant/oasst-sft-4-pythia-12b-epoch-3.5", api_url=api_url).launch()
+