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[Bug 1345955] Re: KeyError: <SassRule <RuleAncestry ()>, 0 props> Failure

To: yahoo-eng-team@xxxxxxxxxxxxxxxxxxx
From: Thierry Carrez <thierry.carrez+lp@xxxxxxxxx>
Date: Fri, 03 Oct 2014 06:52:16 -0000
Reply-to: Bug 1345955 <1345955@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx
** Changed in: horizon
       Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/1345955

Title:
  KeyError: <SassRule <RuleAncestry ()>, 0 props> Failure

Status in OpenStack Dashboard (Horizon):
  Fix Released

Bug description:
  Seeing a new gate failure that causes tempest to fail:

  http://logs.openstack.org/49/107549/11/check/check-tempest-dsvm-
  postgres-full/2c0808c/logs/testr_results.html.gz

  [Mon Jul 21 04:24:17.823759 2014] [:error] [pid 20477:tid 140176873875200] Internal Server Error: /
  [Mon Jul 21 04:24:17.823869 2014] [:error] [pid 20477:tid 140176873875200] Traceback (most recent call last):
  [Mon Jul 21 04:24:17.823909 2014] [:error] [pid 20477:tid 140176873875200]   File "/usr/local/lib/python2.7/dist-packages/django/core/handlers/base.py", line 112, in get_response
  [Mon Jul 21 04:24:17.823971 2014] [:error] [pid 20477:tid 140176873875200]     response = wrapped_callback(request, *callback_args, **callback_kwargs)
  [Mon Jul 21 04:24:17.824036 2014] [:error] [pid 20477:tid 140176873875200]   File "/usr/local/lib/python2.7/dist-packages/django/views/decorators/vary.py", line 36, in inner_func
  [Mon Jul 21 04:24:17.824071 2014] [:error] [pid 20477:tid 140176873875200]     response = func(*args, **kwargs)
  [Mon Jul 21 04:24:17.824131 2014] [:error] [pid 20477:tid 140176873875200]   File "/opt/stack/new/horizon/openstack_dashboard/wsgi/../../openstack_dashboard/views.py", line 45, in splash
  [Mon Jul 21 04:24:17.824208 2014] [:error] [pid 20477:tid 140176873875200]     return shortcuts.render(request, 'splash.html', {'form': form})
  [Mon Jul 21 04:24:17.824446 2014] [:error] [pid 20477:tid 140176873875200]   File "/usr/local/lib/python2.7/dist-packages/django/shortcuts/__init__.py", line 53, in render
  [Mon Jul 21 04:24:17.824611 2014] [:error] [pid 20477:tid 140176873875200]     return HttpResponse(loader.render_to_string(*args, **kwargs),
  [Mon Jul 21 04:24:17.824776 2014] [:error] [pid 20477:tid 140176873875200]   File "/usr/local/lib/python2.7/dist-packages/django/template/loader.py", line 169, in render_to_string
  [Mon Jul 21 04:24:17.824807 2014] [:error] [pid 20477:tid 140176873875200]     return t.render(context_instance)
  [Mon Jul 21 04:24:17.824891 2014] [:error] [pid 20477:tid 140176873875200]   File "/usr/local/lib/python2.7/dist-packages/django/template/base.py", line 140, in render
  [Mon Jul 21 04:24:17.824924 2014] [:error] [pid 20477:tid 140176873875200]     return self._render(context)
  [Mon Jul 21 04:24:17.824956 2014] [:error] [pid 20477:tid 140176873875200]   File "/usr/local/lib/python2.7/dist-packages/django/template/base.py", line 134, in _render
  [Mon Jul 21 04:24:17.825061 2014] [:error] [pid 20477:tid 140176873875200]     return self.nodelist.render(context)
  [Mon Jul 21 04:24:17.825091 2014] [:error] [pid 20477:tid 140176873875200]   File "/usr/local/lib/python2.7/dist-packages/django/template/base.py", line 840, in render
  [Mon Jul 21 04:24:17.825124 2014] [:error] [pid 20477:tid 140176873875200]     bit = self.render_node(node, context)
  [Mon Jul 21 04:24:17.825212 2014] [:error] [pid 20477:tid 140176873875200]   File "/usr/local/lib/python2.7/dist-packages/django/template/debug.py", line 78, in render_node
  [Mon Jul 21 04:24:17.825272 2014] [:error] [pid 20477:tid 140176873875200]     return node.render(context)
  [Mon Jul 21 04:24:17.825304 2014] [:error] [pid 20477:tid 140176873875200]   File "/usr/local/lib/python2.7/dist-packages/django/template/loader_tags.py", line 155, in render
  [Mon Jul 21 04:24:17.825431 2014] [:error] [pid 20477:tid 140176873875200]     return self.render_template(self.template, context)
  [Mon Jul 21 04:24:17.825554 2014] [:error] [pid 20477:tid 140176873875200]   File "/usr/local/lib/python2.7/dist-packages/django/template/loader_tags.py", line 137, in render_template
  [Mon Jul 21 04:24:17.825589 2014] [:error] [pid 20477:tid 140176873875200]     output = template.render(context)
  [Mon Jul 21 04:24:17.825756 2014] [:error] [pid 20477:tid 140176873875200]   File "/usr/local/lib/python2.7/dist-packages/django/template/base.py", line 140, in render
  [Mon Jul 21 04:24:17.825784 2014] [:error] [pid 20477:tid 140176873875200]     return self._render(context)
  [Mon Jul 21 04:24:17.825838 2014] [:error] [pid 20477:tid 140176873875200]   File "/usr/local/lib/python2.7/dist-packages/django/template/base.py", line 134, in _render
  [Mon Jul 21 04:24:17.825895 2014] [:error] [pid 20477:tid 140176873875200]     return self.nodelist.render(context)
  [Mon Jul 21 04:24:17.825987 2014] [:error] [pid 20477:tid 140176873875200]   File "/usr/local/lib/python2.7/dist-packages/django/template/base.py", line 840, in render
  [Mon Jul 21 04:24:17.826034 2014] [:error] [pid 20477:tid 140176873875200]     bit = self.render_node(node, context)
  [Mon Jul 21 04:24:17.826062 2014] [:error] [pid 20477:tid 140176873875200]   File "/usr/local/lib/python2.7/dist-packages/django/template/debug.py", line 78, in render_node
  [Mon Jul 21 04:24:17.826116 2014] [:error] [pid 20477:tid 140176873875200]     return node.render(context)
  [Mon Jul 21 04:24:17.826200 2014] [:error] [pid 20477:tid 140176873875200]   File "/usr/local/lib/python2.7/dist-packages/compressor/templatetags/compress.py", line 149, in render
  [Mon Jul 21 04:24:17.826407 2014] [:error] [pid 20477:tid 140176873875200]     return self.render_compressed(context, self.kind, self.mode, forced=forced)
  [Mon Jul 21 04:24:17.826542 2014] [:error] [pid 20477:tid 140176873875200]   File "/usr/local/lib/python2.7/dist-packages/compressor/templatetags/compress.py", line 108, in render_compressed
  [Mon Jul 21 04:24:17.826611 2014] [:error] [pid 20477:tid 140176873875200]     rendered_output = self.render_output(compressor, mode, forced=forced)
  [Mon Jul 21 04:24:17.826654 2014] [:error] [pid 20477:tid 140176873875200]   File "/usr/local/lib/python2.7/dist-packages/compressor/templatetags/compress.py", line 121, in render_output
  [Mon Jul 21 04:24:17.826750 2014] [:error] [pid 20477:tid 140176873875200]     return compressor.output(mode, forced=forced)
  [Mon Jul 21 04:24:17.826806 2014] [:error] [pid 20477:tid 140176873875200]   File "/usr/local/lib/python2.7/dist-packages/compressor/css.py", line 51, in output
  [Mon Jul 21 04:24:17.826908 2014] [:error] [pid 20477:tid 140176873875200]     ret.append(subnode.output(*args, **kwargs))
  [Mon Jul 21 04:24:17.827069 2014] [:error] [pid 20477:tid 140176873875200]   File "/usr/local/lib/python2.7/dist-packages/compressor/css.py", line 53, in output
  [Mon Jul 21 04:24:17.827102 2014] [:error] [pid 20477:tid 140176873875200]     return super(CssCompressor, self).output(*args, **kwargs)
  [Mon Jul 21 04:24:17.827136 2014] [:error] [pid 20477:tid 140176873875200]   File "/usr/local/lib/python2.7/dist-packages/compressor/base.py", line 285, in output
  [Mon Jul 21 04:24:17.827252 2014] [:error] [pid 20477:tid 140176873875200]     output = '\\n'.join(self.filter_input(forced))
  [Mon Jul 21 04:24:17.827293 2014] [:error] [pid 20477:tid 140176873875200]   File "/usr/local/lib/python2.7/dist-packages/compressor/base.py", line 224, in filter_input
  [Mon Jul 21 04:24:17.827408 2014] [:error] [pid 20477:tid 140176873875200]     for hunk in self.hunks(forced):
  [Mon Jul 21 04:24:17.827445 2014] [:error] [pid 20477:tid 140176873875200]   File "/usr/local/lib/python2.7/dist-packages/compressor/base.py", line 200, in hunks
  [Mon Jul 21 04:24:17.827473 2014] [:error] [pid 20477:tid 140176873875200]     precompiled, value = self.precompile(value, **options)
  [Mon Jul 21 04:24:17.827547 2014] [:error] [pid 20477:tid 140176873875200]   File "/usr/local/lib/python2.7/dist-packages/compressor/base.py", line 264, in precompile
  [Mon Jul 21 04:24:17.827610 2014] [:error] [pid 20477:tid 140176873875200]     return True, filter.input(**kwargs)
  [Mon Jul 21 04:24:17.827644 2014] [:error] [pid 20477:tid 140176873875200]   File "/usr/local/lib/python2.7/dist-packages/django_pyscss/compressor.py", line 30, in input
  [Mon Jul 21 04:24:17.827668 2014] [:error] [pid 20477:tid 140176873875200]     relative_to=self.relative_to)
  [Mon Jul 21 04:24:17.827710 2014] [:error] [pid 20477:tid 140176873875200]   File "/usr/local/lib/python2.7/dist-packages/scss/__init__.py", line 438, in compile
  [Mon Jul 21 04:24:17.827735 2014] [:error] [pid 20477:tid 140176873875200]     return self.Compilation(*args, **kwargs)
  [Mon Jul 21 04:24:17.827794 2014] [:error] [pid 20477:tid 140176873875200]   File "/usr/local/lib/python2.7/dist-packages/django_pyscss/scss.py", line 188, in Compilation
  [Mon Jul 21 04:24:17.827819 2014] [:error] [pid 20477:tid 140176873875200]     self.apply_extends()
  [Mon Jul 21 04:24:17.827877 2014] [:error] [pid 20477:tid 140176873875200]   File "/usr/local/lib/python2.7/dist-packages/scss/util.py", line 111, in wrapper
  [Mon Jul 21 04:24:17.827902 2014] [:error] [pid 20477:tid 140176873875200]     return func(*args, **kwargs)
  [Mon Jul 21 04:24:17.828017 2014] [:error] [pid 20477:tid 140176873875200]   File "/usr/local/lib/python2.7/dist-packages/scss/__init__.py", line 1398, in apply_extends
  [Mon Jul 21 04:24:17.828282 2014] [:error] [pid 20477:tid 140176873875200]     self.rules.sort(key=lambda rule: min(rule_dependencies[rule]))
  [Mon Jul 21 04:24:17.828319 2014] [:error] [pid 20477:tid 140176873875200]   File "/usr/local/lib/python2.7/dist-packages/scss/__init__.py", line 1398, in <lambda>
  [Mon Jul 21 04:24:17.828377 2014] [:error] [pid 20477:tid 140176873875200]     self.rules.sort(key=lambda rule: min(rule_dependencies[rule]))
  [Mon Jul 21 04:24:17.828406 2014] [:error] [pid 20477:tid 140176873875200] KeyError: <SassRule <RuleAncestry ()>, 0 props>

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References

[Bug 1345955] [NEW] KeyError: <SassRule <RuleAncestry ()>, 0 props> Failure
From: Joshua Harlow, 2014-07-21