Test to see if adding site fixes app-hook copy page issue

Author: peterfarrell

cms/cms_plugins.py

@@ -5,7 +5,6 @@
 from cms.plugin_base import CMSPluginBase, PluginMenuItem
 from cms.plugin_pool import plugin_pool
 from cms.plugin_rendering import render_placeholder
-from cms.utils.plugins import downcast_plugins, build_plugin_tree
 from cms.utils.urlutils import admin_reverse
 from django.conf.urls import patterns, url
 from django.http import HttpResponseForbidden, HttpResponseBadRequest, HttpResponse
@@ -34,6 +33,7 @@ class AliasPlugin(CMSPluginBase):
     render_template = "cms/plugins/alias.html"
 
     def render(self, context, instance, placeholder):
+        from cms.utils.plugins import downcast_plugins, build_plugin_tree
         context['instance'] = instance
         context['placeholder'] = placeholder
         if instance.plugin_id: