app.py

import gradio as gr

def blend(img1, img2, slider):
    return img1

with gr.Blocks() as demo:
    gr.Markdown("""
    # Image Blender
    by [Tony Assi](https://www.tonyassi.com/)
    """)
    
    with gr.Row():
        with gr.Column():
            img1 = gr.Image(label='Image 1', type='filepath')
            img2 = gr.Image(label='Image 2',type='filepath')
            slider = gr.Slider()
            btn = gr.Button("Blend")
        with gr.Column():
            output = gr.Image(label='Result', maximum=1.0, value=0.5)
    
    
    btn.click(fn=blend, inputs=[img1, img2, slider], outputs=output)

demo.launch()