Update app.py

app.py

@@ -208,10 +208,10 @@ def pano_depth_to_world_points(depth):
     return pts3d
 
 def rgb2gray(rgb):
-    return np.dot(rgb[...,:3], [0.33, 0.33, 0.33])
+    return np.dot(rgb[...,:3], [0.333, 0.333, 0.333])
 
 def get_mesh(image, depth, keep_edges=False):
-    gdepth = rgb2gray(depth)
+    gdepth = rgb2gray(depth) / 255.0
     print('depth to gray - ok')
     pts3d = pano_depth_to_world_points(gdepth)
     print('radius from depth - ok')