--- a/tests/test-push-warn.t	Tue Sep 18 22:40:03 2018 -0400
+++ b/tests/test-push-warn.t	Tue Sep 18 23:47:21 2018 -0400
@@ -419,7 +419,7 @@
   adding c
   created new head
 
-  $ for i in `$PYTHON $TESTDIR/seq.py 3`; do hg -R h up -q 0; echo $i > h/b; hg -R h ci -qAm$i; done
+  $ for i in `"$PYTHON" $TESTDIR/seq.py 3`; do hg -R h up -q 0; echo $i > h/b; hg -R h ci -qAm$i; done
 
   $ hg -R i push h
   pushing to h