diff -r 030d558c6456 -r 5abc47d4ca6b tests/test-commit-interactive-curses.t
--- a/tests/test-commit-interactive-curses.t	Tue Sep 18 22:40:03 2018 -0400
+++ b/tests/test-commit-interactive-curses.t	Tue Sep 18 23:47:21 2018 -0400
@@ -350,7 +350,7 @@
 The default interface is text
   $ cp $HGRCPATH.pretest $HGRCPATH
   $ chunkselectorinterface() {
-  > $PYTHON <<EOF
+  > "$PYTHON" <<EOF
   > from mercurial import hg, ui;\
   > repo = hg.repository(ui.ui.load(), ".");\
   > print(repo.ui.interface("chunkselector"))