--- a/tests/test-hgweb-no-request-uri.t	Tue Sep 18 22:40:03 2018 -0400
+++ b/tests/test-hgweb-no-request-uri.t	Tue Sep 18 23:47:21 2018 -0400
@@ -81,7 +81,7 @@
   > env['QUERY_STRING'] = 'style=raw'
   > process(hgwebdir({b'repo': b'.'}))
   > EOF
-  $ $PYTHON request.py
+  $ "$PYTHON" request.py
   ---- STATUS
   200 Script output follows
   ---- HEADERS