ipa_client_automount.py and ipactl.py: fix codestyle
    
    Updating ipa_client_automount.py and ipactl.py's codestyle is
    mandatory to make pylint pass as these are considered new files.
    
    Fixes: https://pagure.io/freeipa/issue/7984
    Signed-off-by: François Cami <fcami@redhat.com>
    Reviewed-By: Christian Heimes <cheimes@redhat.com>
    Reviewed-By: Rob Crittenden <rcritten@redhat.com>