How to rename submit ,Flag and Generate Button in gradio interface

I used below code reference

import gradio as gr

io = gr.Interface(lambda x: x, “textbox”, “textbox”)

submit_btn_id = next(i for i,k in io.blocks.items() if getattr(k, “value”, None) == “Submit”)
io.blocks[submit_btn_id].value = “Go”

io.launch()

but getting error “stop iteration” in My below code

fig=gr.Interface(
fn=display_image,
title=“HINT Model Histogram”,
description = “”,
inputs =None,
outputs=[gr.Image(type=“pil”, label=“HINT Model Histogram”)],
)

submit_btn_id = next(i for i,k in fig.blocks.items() if getattr(k, “value”, None) == “Submit”)
fig.blocks[if (“value” == “Submit”)].value = “Click to view”

fig.launch(share=True)