--- a/tests/test-extension.t	Tue Jun 20 09:33:19 2017 -0400
+++ b/tests/test-extension.t	Thu Jun 15 14:27:52 2017 -0400
@@ -98,7 +98,7 @@
 Check hgweb's load order:
 
   $ cat > hgweb.cgi <<EOF
-  > #!/usr/bin/env python
+  > #!$PYTHON
   > from mercurial import demandimport; demandimport.enable()
   > from mercurial.hgweb import hgweb
   > from mercurial.hgweb import wsgicgi