from diffusers import AutoPipelineForText2Image
import torch

pipeline = AutoPipelineForText2Image.from_pretrained('stabilityai/stable-diffusion-xl-base-1.0', torch_dtype=torch.float16).to('cuda')
pipeline.load_lora_weights('e-n-v-y/envy-ink-swirl-xl-01', weight_name='EnvyInkSwirlXL01.safetensors')
image = pipeline('photograph, cinematic color grading, dragon made of ultra light blue swirling ink, in the clouds').images[0]

For more details, including weighting, merging and fusing LoRAs, check the documentation on loading LoRAs in diffusers