diff --git a/mercurial/debugcommands.py b/mercurial/debugcommands.py
--- a/mercurial/debugcommands.py
+++ b/mercurial/debugcommands.py
@@ -3905,7 +3905,12 @@
         with ui.silent():
             try:
                 other, chlist, cleanupfn = bundlerepo.getremotechanges(
-                    ui, repo, other, revs, opts[b"bundle"], opts[b"force"]
+                    ui,
+                    repo,
+                    other,
+                    revs,
+                    opts.get(b"bundle"),
+                    opts.get(b"force"),
                 )
             except error.LookupError:
                 continue
diff --git a/mercurial/hg.py b/mercurial/hg.py
--- a/mercurial/hg.py
+++ b/mercurial/hg.py
@@ -1285,7 +1285,7 @@
         if revs:
             revs = [other.lookup(rev) for rev in revs]
         other, chlist, cleanupfn = bundlerepo.getremotechanges(
-            ui, repo, other, revs, opts[b"bundle"], opts[b"force"]
+            ui, repo, other, revs, opts.get(b"bundle"), opts.get(b"force")
         )
 
         if not chlist: