Upload app.py

app.py

@@ -96,7 +96,7 @@ with gr.Blocks() as demo:
         prompt = gr.Textbox(label="Input", value="Describe this image.", scale=4)
         submit = gr.Button("Submit")
     with gr.Row():
-        img = gr.Image(type="pil", image_mode="RGB", label="Upload an Image")
+        img = gr.Image(type="pil", image_mode="RGB", format="png", label="Upload an Image")
         with gr.Column():
             output = gr.Markdown(label="Response")
             ann = gr.Image(visible=False, label="Annotated Image")