import gradio as gr

def create_interface(step):
    interface = gr.Interface(
        fn=step,
        inputs=gr.Image(type="pil", label="Webcam Image"),  # Removed the 'tool' argument
        outputs=gr.Textbox(label="Output")
    )
    return interface

# Assuming 'step' is defined elsewhere in your code
step = lambda img: "Processing image"
interface = create_interface(step)

if __name__ == "__main__":
    interface.launch()