noosfero | Fix article initialize method (#834)

[Tallys Martins]

New Merge Request #834

https://gitlab.com/noosfero/noosfero/merge_requests/834

Project:Branches: softwarepublico/noosfero:article_initialize_bug to noosfero/noosfero:master
Author:    Tallys Martins
Assignee:  

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