--- a/hgext3rd/evolve/cmdrewrite.py	Sat Nov 10 15:30:10 2018 +0100
+++ b/hgext3rd/evolve/cmdrewrite.py	Sat Nov 10 15:47:46 2018 +0100
@@ -1279,10 +1279,10 @@
                 # The user hasn't yet decided what to do with the revived
                 # cset, let's ask
                 sset = obsutil.successorssets(repo, ctx.node())
-                nodivergencerisk = (len(sset) == 0 or
-                                    (len(sset) == 1 and
-                                     len(sset[0]) == 1 and
-                                     repo[sset[0][0]].rev() == ctx.rev()
+                nodivergencerisk = (len(sset) == 0
+                                    or (len(sset) == 1
+                                        and len(sset[0]) == 1
+                                        and repo[sset[0][0]].rev() == ctx.rev()
                                     ))
                 if nodivergencerisk:
                     duplicate = False