Comment 4 for bug 1673425

Reviewed: https://review.openstack.org/448145
Committed: https://git.openstack.org/cgit/openstack/openstack-doc-tools/commit/?id=89100368b50e9377bf4e587c091fcc03609f8fe0
Submitter: Jenkins
Branch: master

commit 89100368b50e9377bf4e587c091fcc03609f8fe0
Author: KATO Tomoyuki <email address hidden>
Date: Wed Mar 22 00:05:07 2017 +0900

    [cli-ref] add API version for cinder explicitly

    Python-cinderclient does not use the latest Block Storage API.
    As work around, we need to set OS_VOLUME_API_VERSION environment
    variable explicitly so that we can generate all commands.

    Change-Id: I5de94f1fd5e8a4068cb7209062588eb6ade73fc8
    Closes-Bug: #1673425