try rec without subprocess

app.py

@@ -23,20 +23,27 @@ def run_on_gpu(input_point_cloud: gr.utils.NamedString,
           type(gen_subsample_manifold_iter), type(gen_refine_iter))
 
     import os
-    os.chdir(os.path.dirname('./ppsurf'))
+    import sys
+    # os.chdir(os.path.dirname('./ppsurf'))
+    sys.path.append(os.path.abspath('ppsurf'))
+    from ppsurf.pps import cli_main
 
     in_file = 'data/{}'.format(input_point_cloud.name)
     out_file = 'results/rec/{}'.format(input_point_cloud.name)
 
-    call_base = ['python', 'pps.py', 'rec']
-    call_args = [in_file,
-                 out_file,
-                 '--gen_resolution_global', str(gen_resolution_global),
-                 '--padding_factor', str(padding_factor),
-                 '--gen_subsample_manifold_iter', str(gen_subsample_manifold_iter),
-                 '--gen_refine_iter', str(gen_refine_iter),
-                 ]
-    subprocess.run(call_base + call_args)
+    args = [
+        'pps.py', 'rec',
+        in_file,
+        out_file,
+        '--gen_resolution_global', str(gen_resolution_global),
+        '--padding_factor', str(padding_factor),
+        '--gen_subsample_manifold_iter', str(gen_subsample_manifold_iter),
+        '--gen_refine_iter', str(gen_refine_iter),
+        ]
+
+    sys.argv = args
+    cli_main()
+    # subprocess.run(call_base + call_args)
     print('Finished inference at {}'.format(datetime.datetime.now()))
 
     result_3d_model = out_file