--- a/tests/test-bundle2-pushback.t	Tue Sep 18 22:40:03 2018 -0400
+++ b/tests/test-bundle2-pushback.t	Tue Sep 18 23:47:21 2018 -0400
@@ -36,7 +36,7 @@
 
   $ cat >> $HGRCPATH <<EOF
   > [ui]
-  > ssh = $PYTHON "$TESTDIR/dummyssh"
+  > ssh = "$PYTHON" "$TESTDIR/dummyssh"
   > username = nobody <no.reply@example.com>
   > 
   > [alias]