* Change missing attribute error to key error. * Swap to explicit key error * Revert "Swap to explicit key error" This reverts commit 719255891e543d15720b6bdeb293621266618efc.
* Change missing attribute error to key error. * Swap to explicit key error * Revert "Swap to explicit key error" This reverts commit 719255891e543d15720b6bdeb293621266618efc.