--- a/tests/test-push-race.t	Tue Sep 18 22:40:03 2018 -0400
+++ b/tests/test-push-race.t	Tue Sep 18 23:47:21 2018 -0400
@@ -102,7 +102,7 @@
 
   $ cat >> $HGRCPATH << EOF
   > [ui]
-  > ssh = $PYTHON "$TESTDIR/dummyssh"
+  > ssh = "$PYTHON" "$TESTDIR/dummyssh"
   > # simplify output
   > logtemplate = {node|short} {desc} ({branch})
   > [phases]