diff -r 5f2f6912c9e6 -r dc3fdd1b5af4 hgext/rebase.py
--- a/hgext/rebase.py	Sat Jun 08 23:43:53 2019 +0530
+++ b/hgext/rebase.py	Sun Jun 09 00:43:36 2019 +0530
@@ -1950,8 +1950,6 @@
     entry[1].append(('t', 'tool', '',
                      _("specify merge tool for rebase")))
     cmdutil.summaryhooks.add('rebase', summaryhook)
-    statemod.unfinishedstates.append(
-        ['rebasestate', False, False, _('rebase in progress'),
-         _("use 'hg rebase --continue' or 'hg rebase --abort'")])
+    statemod.addunfinished('rebase', fname='rebasestate')
     cmdutil.afterresolvedstates.append(
         ['rebasestate', _('hg rebase --continue')])