app.py

import gradio as gr

def greet(img1, img2, video1):
    return video

demo = gr.Interface(fn=greet, 
                    inputs=["image", "image", "video"], 
                    outputs="video", 
                    #examples=[["27-24522.jpg", "28-24766.jpg"]],
                    examples=[["27-24522.jpg", "28-24766.jpg", "wizard.mp4"]],
                    cache_examples=True,)
demo.launch()