Update app.py

app.py

@@ -103,7 +103,7 @@ def create_app():
     Returns:
         gr.Blocks: Configured Gradio application
     """
-    with gr.Blocks(title="Video Translator") as app:
+    with gr.Blocks(title="Video Translator") as demo:
         gr.Markdown("# LinguaStream➿")
         gr.Markdown("A Multilingual Audio and Video dubbing tool with supported subtitles.")
         
@@ -153,7 +153,7 @@ def create_app():
         - Embedded subtitles
         """)
         
-    return app
+    return demo
 
 if __name__ == "__main__":
     app = create_app()