pip install openmim
pip install git+https://github.com/okotaku/diffengine.git
mim train diffengine tiny_sd_xl_pokemon_blip.py

import torch
from diffusers import DiffusionPipeline, UNet2DConditionModel, AutoencoderKL

checkpoint = 'takuoko/tiny_sd_xl_pokemon_blip'
prompt = 'a very cute looking pokemon with a hat on its head'

unet = UNet2DConditionModel.from_pretrained(
    checkpoint, torch_dtype=torch.bfloat16
    )
vae = AutoencoderKL.from_pretrained(
    'madebyollin/sdxl-vae-fp16-fix',
    torch_dtype=torch.bfloat16,
)
pipe = DiffusionPipeline.from_pretrained(
    'stabilityai/stable-diffusion-xl-base-1.0', unet=unet, vae=vae, torch_dtype=torch.bfloat16
    )
pipe.to('cuda')

image = pipe(
    prompt,
    num_inference_steps=50,
).images[0]
image.save('demo.png')