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[Diana Whitten <hurgleburgler@xxxxxxxxx>]

This is by design.  The panel group name is a unique key.

** Changed in: horizon
       Status: New => Won't Fix

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https://bugs.launchpad.net/bugs/1430615

Title:
  Duplicate panels in custom panel group causes KeyError

Status in OpenStack Dashboard (Horizon):
  Won't Fix

Bug description:
  If there are two panels configured with the same name in a custom
  plugin panel group, a KeyError is thrown. Under
  horizon/openstack_dashboard/local/enabled/, configure a new panel
  group in a file named _50_foo.py with these contents:

  PANEL_GROUP = 'foo'
  PANEL_GROUP_NAME = 'Foo'
  PANEL_GROUP_DASHBOARD = 'admin'

  Also create files named _55_bar.py and _60_bar.py, each with these
  contents:

  PANEL_DASHBOARD = 'admin'
  PANEL = 'bar'
  PANEL_GROUP = 'foo'
  ADD_PANEL = 'dashboards.admin.overview.panel.Overview'

  Restart the server and load Horizon in a web browser, which results
  in:

  File "/opt/stack/horizon/openstack_dashboard/wsgi/../../horizon/base.py" in get_panel_groups
    467.                     registered.pop(panel.__class__)

  Exception Type: KeyError at /admin/
  Exception Value: <class 'dashboards.admin.overview.panel.Overview'

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