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[Thierry Carrez <thierry.carrez+lp@xxxxxxxxx>]

** Changed in: horizon
       Status: Fix Committed => Fix Released

** Changed in: horizon
    Milestone: None => juno-1

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https://bugs.launchpad.net/bugs/1312192

Title:
  On security groups page, attribute error in error handle

Status in OpenStack Dashboard (Horizon):
  Fix Released

Bug description:
  On the  project/access_and_security/security_groups/<detail> page,
  some errors inside the
  openstack_dashboard/dashboards/project/access_and_security/security_groups/views
  DetailView._get_data method are still resulting in a None being
  returned.  This causes an error in the DetailView.get_data method as
  NoneTypes clearly don't have a .rules attribute.

  I'm not sure why the error is sneaking through the exceptions.handle
  above, but they most definitely are.  Perhaps Ana Krivokapic's changes
  here: https://review.openstack.org/#/c/84109/ may eventually solve
  this, but it's unclear.

  In the mean time, and potentially correct overall, if a None is
  returned, the get_data method should return an empty list instead of
  throwing an exception.

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