any propagation for openPredT
any propagation for openPredT

Summary: This case should be impossible, so fall through to __flow.

Reviewed By: samwgoldman

Differential Revision: D10275702

fbshipit-source-id: 2d7d53c8101faede4c20817dadf9e491b7e4734b

nmote/flow,nmote/flow,nmote/flow,nmote/flow,nmote/flow,nmote/flow,nmote/flow