app.py

import gradio as gr
import numpy as np

def flip(im):
    return np.flipud(im)

with gr.Blocks() as demo:
  with gr.Row():
      with gr.Column():
        camera = gr.Image(source="webcam")
      with gr.Column():
        image = gr.Image()
  camera.stream(fn=flip, inputs=[camera], outputs=[image])

demo.launch()