Certain functions may return a Usd.Prim object, but the Prim may not exist due to an incorrect path or because of changes on the Stage. You can use Usd.Object.IsValid() to check if the Prim is valid or exists.
Certain functions may return a Usd.Prim object, but the Prim may not exist due to an incorrect path or because of changes on the Stage. You can use Usd.Object.IsValid() to check if the Prim is valid or exists.