--- a/hgext/gpg.py
+++ b/hgext/gpg.py
@@ -250,7 +250,7 @@ def node2txt(repo, node, ver):
if ver == "0":
return "%s\n" % hgnode.hex(node)
else:
- util.Abort(_("unknown signature version"))
+ raise util.Abort(_("unknown signature version"))
cmdtable = {
"sign":