Update app.py

app.py

@@ -268,7 +268,7 @@ def image_processing(image, filter_type):
 # Gradio interface
 with gr.Blocks(theme=theme) as app:
     gr.Markdown("Image Filtering Studio")
-     with gr.Tab("Flip Image"):
+    with gr.Tab("Flip Image"):
         with gr.Row():
             image_input = gr.Image()
             image_output = gr.Image(format="png")