try again to fix tox/ci/indexserver
envlist = py34,{py27,py35,py36}-optional, docs, lxml
# trick to enable pre-installation of numpy and numexpr
indexserver =
- preinstall1 = http://pypi.org/simple
- preinstall2 = http://pypi.org/simple
+ preinstall1 = https://pypi.org/simple
+ preinstall2 = https://pypi.org/simple
[testenv]
# get stable output for unordered types
