max_py_ver: '37'
max_r_ver: '35'
provider:
  win: azure

max_py_ver: '37'
max_r_ver: '35'

Revert "trying azure instead of appveyor"
Revert "trying azure instead of appveyor"

This reverts commit a4455500f611687332aebecea000bd3d39304dcc.
