improved condition

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@20911 20353a03-c40f-0410-a6d1-a30d3c3de9de

bt5/erp5_access_tab/SkinTemplateItem/portal_skins/erp5_access_tab/erp5_site_main_template.xml

@@ -77,7 +77,7 @@
               </div>\n
                 <p class="clear" />\n
               </div>\n
-              <tal:block tal:condition="python: getattr(here,\'portal_gadgets\', None)">\n
+              <tal:block tal:condition="python: getattr(here,\'portal_gadgets\', None) is not None">\n
                   <link href="erp5_knowledge_box_top_newpage.css" rel="stylesheet" type="text/css" />\n
                   <tal:block tal:condition="exists:here/ERP5Site_viewHomeAreaRenderer"\n
                             tal:replace="structure here/ERP5Site_viewHomeAreaRenderer" />\n

bt5/erp5_access_tab/bt/revision

-50
\ No newline at end of file
+51
\ No newline at end of file