Update gradio_demo.py

gradio_demo.py

@@ -1,14 +1,15 @@
 import gradio as gr
 import numpy as np
 import os
-from train import *
 
-# https://github.com/pytorch/extension-cpp/issues/71
-if os.environ.get('TORCH_CUDA_ARCH_LIST') != "3.5;5.0;6.0;6.1;7.0;7.5;8.0;8.6+PTX":
+if os.environ.get('SUBMODULES_INSTALLED') != "True":
+    os.environ['SUBMODULES_INSTALLED'] = "True"
     os.environ["TORCH_CUDA_ARCH_LIST"] = "3.5;5.0;6.0;6.1;7.0;7.5;8.0;8.6+PTX"
     os.system("python -m pip install git+https://github.com/YixunLiang/simple-knn.git")
     os.system("python -m pip install git+https://github.com/YixunLiang/diff-gaussian-rasterization.git")
 
+from train import *
+
 example_inputs = [[
         "A DSLR photo of a Rugged, vintage-inspired hiking boots with a weathered leather finish, best quality, 4K, HD.",
         "Rugged, vintage-inspired hiking boots with a weathered leather finish."