190             yield ctx

   190             yield ctx

   191 

   191 

   192     # Look for an unstable which can be stabilized as a child of

   192     # Look for an unstable which can be stabilized as a child of

   193     # node. The unstable must be a child of one of node predecessors.

   193     # node. The unstable must be a child of one of node predecessors.

   194     for ctx in selfanddescendants(repo, pctx):

   194     for ctx in selfanddescendants(repo, pctx):

   196                                   ctx.rev()))

   196                                   ctx.rev()))

   197         if unstables:

   197         if unstables:

   198             return unstables[0]

   198             return unstables[0]

   199     return None

   199     return None

   200 

   200