Let's use a SDXL ControlNet conditioned on canny images to generate an image. Start by loading an image and prepare the canny image:  
```py
from diffusers import StableDiffusionXLControlNetPipeline, ControlNetModel, AutoencoderKL
from diffusers.utils import load_image, make_image_grid
from PIL import Image
import cv2
import numpy as np
import torch