[node-patches] Change in ovirt-node[master]: fix NoneType error when switch to performance page

[fabiand at fedoraproject.org]

Fabian Deutsch has posted comments on this change.

Change subject: fix NoneType error when switch to performance page
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Patch Set 2: Verified+1 Code-Review+2

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Gerrit-MessageType: comment
Gerrit-Change-Id: Ib57895ec60bf9fb1eb3891efdcbadef173cb740f
Gerrit-PatchSet: 2
Gerrit-Project: ovirt-node
Gerrit-Branch: master
Gerrit-Owner: hai bo <boh.ricky at gmail.com>
Gerrit-Reviewer: Fabian Deutsch <fabiand at fedoraproject.org>
Gerrit-Reviewer: oVirt Jenkins CI Server
Gerrit-HasComments: No