Am Fri, 18 Jun 2021 10:42:58 +0100
schrieb Andrew Cooper <andrew.cooper3@citrix.com>:

> This is a Py2 vs Py3 difference.

Indeed, my build wrapper changes every 'env python' to 'python3.4' in 4.14+ builds.
That explains why it happens to work with my 4.13 builds, which changes every 'env python' to 'python2.7'.

Olaf