chdir before calls to ppsurf

app.py

@@ -17,6 +17,10 @@ def run_on_gpu(input_point_cloud_viewer,
                gen_subsample_manifold_iter,
                gen_refine_iter):
     print('Started inference at {}'.format(datetime.datetime.now()))
+
+    import os
+    os.chdir(os.path.dirname('./ppsurf'))
+
     call_base = ['python', 'ppsurf/pps.py', 'rec']
     call_args = ['pps.py',
                  'rec',
@@ -50,7 +54,14 @@ def main():
     '''
 
     def convert_to_ply(input_point_cloud_upload: str):
-        print('inputs:', input_point_cloud_upload)
+        print(subprocess.check_output(['ls', '-l']))
+
+        import os
+        os.chdir(os.path.dirname('./ppsurf'))
+
+        print(subprocess.check_output(['ls', '-l']))
+
+        print('Inputs:', input_point_cloud_upload)
         input_shape = input_point_cloud_upload
         if not input_shape.endswith('.ply'):
             # load file
@@ -64,6 +75,8 @@ def main():
             mesh.export(input_shape)
 
         # show in viewer
+        print(input_tabs)
+        print(input_point_cloud_viewer)
         input_tabs.selected = 'pc_viewer'
         input_point_cloud_viewer.value = input_shape