Current tier 1 template #9 has python and anaconda installed that came
with MSVC2017. This messes with the provisioning scripts and ultimately
builds such as pyside, even though qt5 builds go through.

Task-number: QTQAINFRA-1503
Change-Id: Id4e1303ba2524373170f1aca7b0c7e66f9f235dc
Reviewed-by: Heikki Halmet <heikki.halmet@qt.io>