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[Xavier <xavier@xxxxxxxxxxxx>]

Public bug reported:

i've setup an OpenStack Liberty platform and I can not remove the
horizon ubuntu theme package openstack-dashboard-ubuntu-theme

I get this error : 
Collecting and compressing static assets...
CommandError: An error occured during rendering /usr/share/openstack-dashboard/openstack_dashboard/templates/_stylesheets.html: Error evaluating expression:
    $table-bg-accent

on line 5 of dashboard/scss/_variables.scss
imported from line 1 of dashboard/scss/horizon.scss
Traceback:
  File "/usr/lib/python2.7/dist-packages/scss/calculator.py", line 141, in evaluate_expression
    return ast.evaluate(self, divide=divide)
  File "/usr/lib/python2.7/dist-packages/scss/ast.py", line 346, in evaluate
    raise SyntaxError("Undefined variable: '%s'." % self.name)
SyntaxError: Undefined variable: '$table-bg-accent'.
dpkg: error processing package openstack-dashboard-ubuntu-theme (--remove):
 subprocess installed post-removal script returned error exit status 1
E: Sub-process /usr/bin/dpkg returned an error code (1)

** Affects: horizon
     Importance: Undecided
         Status: New


** Tags: horizon theme ubuntu

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https://bugs.launchpad.net/bugs/1512385

Title:
  OpenStack Liberty : Can not remove openstack-dashboard-ubuntu-theme
  package

Status in OpenStack Dashboard (Horizon):
  New

Bug description:
  i've setup an OpenStack Liberty platform and I can not remove the
  horizon ubuntu theme package openstack-dashboard-ubuntu-theme

  I get this error : 
  Collecting and compressing static assets...
  CommandError: An error occured during rendering /usr/share/openstack-dashboard/openstack_dashboard/templates/_stylesheets.html: Error evaluating expression:
      $table-bg-accent

  on line 5 of dashboard/scss/_variables.scss
  imported from line 1 of dashboard/scss/horizon.scss
  Traceback:
    File "/usr/lib/python2.7/dist-packages/scss/calculator.py", line 141, in evaluate_expression
      return ast.evaluate(self, divide=divide)
    File "/usr/lib/python2.7/dist-packages/scss/ast.py", line 346, in evaluate
      raise SyntaxError("Undefined variable: '%s'." % self.name)
  SyntaxError: Undefined variable: '$table-bg-accent'.
  dpkg: error processing package openstack-dashboard-ubuntu-theme (--remove):
   subprocess installed post-removal script returned error exit status 1
  E: Sub-process /usr/bin/dpkg returned an error code (1)

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