1 files changed, 1 insertions, 3 deletions

diff --git a/subcmds/prune.py b/subcmds/prune.py
index f18471f3..f99082a4 100644
--- a/subcmds/prune.py
+++ b/subcmds/prune.py
@@ -83,9 +83,7 @@ class Prune(PagedCommand):
             )
 
             if not branch.base_exists:
-                print(
-                    "(ignoring: tracking branch is gone: %s)" % (branch.base,)
-                )
+                print(f"(ignoring: tracking branch is gone: {branch.base})")
             else:
                 commits = branch.commits
                 date = branch.date