[Freeipa-devel] [freeipa PR#3493][opened] [Backport][ipa-4-8] azure-pipelines.yml: switch to Python 3.7

[fcami]

   URL: https://github.com/freeipa/freeipa/pull/3493
Author: fcami
 Title: #3493: [Backport][ipa-4-8] azure-pipelines.yml: switch to Python 3.7
Action: opened

PR body:
"""
This PR was opened automatically because PR #3492 was pushed to master and backport to
ipa-4-8 is required.
"""

To pull the PR as Git branch:
git remote add ghfreeipa https://github.com/freeipa/freeipa
git fetch ghfreeipa pull/3493/head:pr3493
git checkout pr3493