try git clone in main

app.py

@@ -5,6 +5,7 @@ from __future__ import annotations
 import sys
 import os
 import datetime
+import subprocess
 
 import gradio as gr
 import spaces
@@ -23,7 +24,6 @@ def run_on_gpu(input_point_cloud: gr.utils.NamedString,
           type(gen_subsample_manifold_iter), type(gen_refine_iter))
 
     sys.path.append(os.path.abspath('ppsurf'))
-    import subprocess
     import uuid
 
     in_file = '{}'.format(input_point_cloud.name)
@@ -79,6 +79,9 @@ def run_on_gpu(input_point_cloud: gr.utils.NamedString,
 
 
 def main():
+    # git submodule doesn't work in Gradio, so we clone it here
+    subprocess.run(['git', 'clone', 'https://github.com/cg-tuwien/ppsurf.git'])
+
     description_header = '# PPSurf: Combining Patches and Point Convolutions for Detailed Surface Reconstruction'
 
     description_col0 = '''## [Github](https://github.com/cg-tuwien/ppsurf)