Update app.py

app.py

@@ -90,5 +90,6 @@ with gr.Blocks() as demo:
     run_btn.click(rotate_video, inputs=[input_video, rotation], outputs=[out_preview, out_file])
 
 
-# Expose app for Hugging Face Spaces
-app = demo
+if __name__ == "__main__":
+    demo.launch()
+