Webassets

Traceback (most recent call last):
File "/app/.heroku/python/lib/python2.7/site-packages/newrelic-2.0.0.1/newrelic/hooks/framework_django.py", line 485, in wrapper return wrapped(*args, **kwargs)
File "/app/.heroku/python/lib/python2.7/site-packages/django/contrib/auth/decorators.py", line 25, in _wrapped_view return view_func(request, *args, **kwargs)
File "/app/BaseEngine/views/base.py", line 22, in home return render(request,\ 'home.html', {'page': p}, )
File "/app/.heroku/python/lib/python2.7/site-packages/django/shortcuts/__init__.py", line 53, in render return HttpResponse(loader.render_to_string(*args, **kwargs),
File "/app/.heroku/python/lib/python2.7/site-packages/django/template/loader.py", line 177, in render_to_string return t.render(context_instance)
File "/app/.heroku/python/lib/python2.7/site-packages/django/template/base.py", line 140, in render return self._render(context)
File "/app/.heroku/python/lib/python2.7/site-packages/newrelic-2.0.0.1/newrelic/api/object_wrapper.py", line 257, in __call__ self._nr_instance, args, kwargs, **self._nr_kwargs)
File "/app/.heroku/python/lib/python2.7/site-packages/newrelic-2.0.0.1/newrelic/api/function_trace.py", line 80, in dynamic_wrapper return wrapped(*args, **kwargs)
File "/app/.heroku/python/lib/python2.7/site-packages/django/template/base.py", line 134, in _render return self.nodelist.render(context)
File "/app/.heroku/python/lib/python2.7/site-packages/django/template/base.py", line 830, in render bit = self.render_node(node, context)
File "/app/.heroku/python/lib/python2.7/site-packages/django/template/base.py", line 844, in render_node return node.render(context)
File "/app/.heroku/python/lib/python2.7/site-packages/django/template/loader_tags.py", line 124, in render return compiled_parent._render(context)
File "/app/.heroku/python/lib/python2.7/site-packages/newrelic-2.0.0.1/newrelic/api/object_wrapper.py", line 257, in __call__ self._nr_instance, args, kwargs, **self._nr_kwargs)
File "/app/.heroku/python/lib/python2.7/site-packages/newrelic-2.0.0.1/newrelic/api/function_trace.py", line 80, in dynamic_wrapper return wrapped(*args, **kwargs)
File "/app/.heroku/python/lib/python2.7/site-packages/django/template/base.py", line 134, in _render return self.nodelist.render(context)
File "/app/.heroku/python/lib/python2.7/site-packages/django/template/base.py", line 830, in render bit = self.render_node(node, context)
File "/app/.heroku/python/lib/python2.7/site-packages/django/template/base.py", line 844, in render_node return node.render(context)
File "/app/.heroku/python/lib/python2.7/site-packages/django_assets/templatetags/assets.py", line 69, in render for url in bundle.urls(env=get_env()):
File "/app/.heroku/python/lib/python2.7/site-packages/webassets/bundle.py", line 681, in urls urls.extend(bundle._urls(env, extra_filters, *args, **kwargs))
File "/app/.heroku/python/lib/python2.7/site-packages/webassets/bundle.py", line 644, in _urls return [self._make_output_url(env)]
File "/app/.heroku/python/lib/python2.7/site-packages/webassets/bundle.py", line 601, in _make_output_url version = self.get_version(env, refresh=env.auto_build)
File "/app/.heroku/python/lib/python2.7/site-packages/webassets/bundle.py", line 217, in get_version version = env.versions.determine_version(self, env)
File "/app/.heroku/python/lib/python2.7/site-packages/webassets/version.py", line 166, in determine_version hasher.update(hunk.data())
File "/app/.heroku/python/lib/python2.7/site-packages/webassets/merge.py",\ line 74, in data f = open(self.filename, 'rb')
IOError: [Errno 2] No such file or directory: '/app/staticfiles/gen/main.css'