Update app.py

app.py

@@ -18,6 +18,12 @@ from ppd.utils.depth2pcd import depth2pcd
 from moge.model.v2 import MoGeModel 
 from ppd.models.ppd import PixelPerfectDepth
 
+try:
+    import spaces
+    HUGGINFACE_SPACES_INSTALLED = True
+except ImportError:
+    HUGGINFACE_SPACES_INSTALLED = False
+
 css = """
 #img-display-container {
     max-height: 100vh;