update requirements

app.py

@@ -1,10 +1,5 @@
-import sys
-import os 
-
-os.system("git clone https://github.com/3DTopia/3DTopia")
-sys.path.append("3DTopia")
-
 import os
+import sys
 import cv2
 import time
 import json
@@ -20,6 +15,11 @@ from tqdm import tqdm
 import imageio.v2 as imageio
 import pytorch_lightning as pl
 from omegaconf import OmegaConf
+from safetensors.torch import load_file
+from huggingface_hub import hf_hub_download
+
+os.system("git clone https://github.com/3DTopia/3DTopia")
+sys.path.append("3DTopia")
 
 from ldm.models.diffusion.ddim import DDIMSampler
 from ldm.models.diffusion.plms import PLMSSampler
@@ -28,8 +28,6 @@ from ldm.models.diffusion.dpm_solver import DPMSolverSampler
 from utility.initialize import instantiate_from_config, get_obj_from_str
 from utility.triplane_renderer.eg3d_renderer import sample_from_planes, generate_planes
 from utility.triplane_renderer.renderer import get_rays, to8b
-from safetensors.torch import load_file
-from huggingface_hub import hf_hub_download
 
 import warnings
 warnings.filterwarnings("ignore", category=UserWarning)