Add Hugging Face login functionality to app.py

app.py

@@ -1,6 +1,11 @@
+import os
 import gradio as gr
 from diffusers import DiffusionPipeline
 import torch
+from huggingface_hub import login
+
+
+login(token=os.getenv("HF_TOKEN"))
 
 # Initialize the pipeline
 pipe = DiffusionPipeline.from_pretrained("Lookingsoft-team/object_detection")