--- a/hgext3rd/evolve/evolvecmd.py	Wed Feb 13 12:46:57 2019 +0100
+++ b/hgext3rd/evolve/evolvecmd.py	Wed Feb 13 21:39:10 2019 +0800
@@ -165,7 +165,7 @@
             repo.ui.write(_('atop:'))
             displayer.show(target)
     if confirm and ui.prompt('perform evolve? [Ny]', 'n') != 'y':
-            raise error.Abort(_('evolve aborted by user'))
+        raise error.Abort(_('evolve aborted by user'))
     if progresscb:
         progresscb()
     todo = 'hg rebase -r %s -d %s\n' % (orig, target)
@@ -963,7 +963,7 @@
         # uurrgs
         # there no other topic setter yet
         if not orig.topic() and repo.vfs.exists('topic'):
-                repo.vfs.unlink('topic')
+            repo.vfs.unlink('topic')
         else:
             with repo.vfs.open('topic', 'w') as f:
                 f.write(orig.topic())