Update app.py

app.py

@@ -7,13 +7,13 @@ import numpy as np
 import os
 import subprocess
 
-from apps.infer import generate_model
-
 if os.getenv('SYSTEM') == 'spaces':
     subprocess.run('pip install pyembree'.split())
     subprocess.run(
         'pip install git+https://github.com/YuliangXiu/neural_voxelization_layer.git'.split())
 
+from apps.infer import generate_model
+
 # running
 
 description = '''