diff -r 3c265cef6edc -r d4c1501225c4 hgext/transplant.py
--- a/hgext/transplant.py	Mon Jan 27 12:38:59 2020 -0800
+++ b/hgext/transplant.py	Mon Jan 27 09:14:19 2020 -0800
@@ -761,12 +761,12 @@
     def checkopts(opts, revs):
         if opts.get(b'continue'):
             cmdutil.check_incompatible_arguments(
-                opts, b'continue', b'branch', b'all', b'merge'
+                opts, b'continue', [b'branch', b'all', b'merge']
             )
             return
         if opts.get(b'stop'):
             cmdutil.check_incompatible_arguments(
-                opts, b'stop', b'branch', b'all', b'merge'
+                opts, b'stop', [b'branch', b'all', b'merge']
             )
             return
         if not (