URL:
https://github.com/freeipa/freeipa/pull/855
Title: #855: Prevent issues with older clients
abbra commented:
"""
Pylint failed:
```
************* Module ipaserver.rpcserver
ipaserver/rpcserver.py:973: [E1101(no-member), login_password.kinit] Class 'env'
has no 'kinit_lifetime' member)
make: *** [pylint] Error 2
```
Do we want to set `kinit_lifetime` during upgrade if it is missing?
"""
See the full comment at
https://github.com/freeipa/freeipa/pull/855#issuecomment-306563697