Update common.py

remove weights.detach()

Author: yifita

common.py

@@ -134,7 +134,7 @@ def deform_with_MVC(cage, cage_deformed, cage_face, query, verbose=False):
     query (B,Q,3)
     """
     weights, weights_unnormed = mean_value_coordinates_3D(query, cage, cage_face, verbose=True)
-    weights = weights.detach()
+#     weights = weights.detach()
     deformed = torch.sum(weights.unsqueeze(-1)*cage_deformed.unsqueeze(1), dim=2)
     if verbose:
         return deformed, weights, weights_unnormed