Update app.py

app.py

@@ -1,6 +1,8 @@
 import gradio as gr
 from diffusers import StableDiffusionXLPipeline, EDMEulerScheduler
 from custom_pipeline import CosStableDiffusionXLInstructPix2PixPipeline
+import numpy as np
+import math
 import spaces 
 
 edit_file = hf_hub_download(repo_id="stabilityai/cosxl", filename="cosxl_edit.safetensors")