Update app.py

app.py

@@ -134,7 +134,7 @@ if __name__ == "__main__":
     with gr.Blocks() as demo:
         with gr.Row():
             with gr.Column():
-                img_input = gr.Image(type="pil", label="Image input")
+                img_input = gr.Image(type="pil", image_mode="RGBA", label="Image input")
                 str_input = gr.Textbox(label="Text input (leave empty to use image input)")
             with gr.Column():
                 with gr.Row():