992                     # that seems more natural than not calling rollback_event

   992                     # that seems more natural than not calling rollback_event

   993                     # for processed operations, and allow generic rollback

   993                     # for processed operations, and allow generic rollback

   994                     # instead of having to implements rollback, revertprecommit

   994                     # instead of having to implements rollback, revertprecommit

   995                     # and revertcommit, that will be enough in mont case.

   995                     # and revertcommit, that will be enough in mont case.

   996                     operation.failed = True

   996                     operation.failed = True

   997                     for operation in reversed(processed):

   998                     for operation in reversed(processed):

   998                         try:

   999                         try:

   999                             operation.handle_event('revertprecommit_event')

  1000                             operation.handle_event('revertprecommit_event')

  1000                         except BaseException:

  1001                         except BaseException:

  1001                             self.critical('error while reverting precommit',

  1002                             self.critical('error while reverting precommit',