Update app.py

app.py

@@ -1,4 +1,5 @@
 import gradio as gr
+import sys
 from text_summary import summarize, setup
 
 theme = gr.themes.Soft(
@@ -22,5 +23,8 @@ with gr.Blocks(theme=theme, title="NLP Text Summarizer", fill_height=True, fill_
         submit.click(fn=summarize, inputs=raw_corpus, outputs=summary, api_name="nlp_summarizer")
 
 
-setup()
-app.queue(default_concurrency_limit=5).launch(show_api=True)
+status = setup()
+if status:
+    app.queue(default_concurrency_limit=5).launch(show_api=True)
+else:
+    sys.exit(1)