set an empty string for description instead of None.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@39830 20353a03-c40f-0410-a6d1-a30d3c3de9de

bt5/erp5_web_multiflex5_theme/SkinTemplateItem/portal_skins/erp5_web_multiflex5_theme/template_erp5_multiflex5.xml

@@ -98,7 +98,7 @@
                            footer_area python:aggregate.get(\'footer\', []);\n
                            bottom_area python:aggregate.get(\'bottom\', []);\n
                            global header_title python:\'%s | %s\' % (here.getTranslatedTitleOrId(), website.getTranslatedTitleOrId());\n
-                           global description python:here.getDescription() or here.getLayoutProperty(\'description\');\n
+                           global description python:here.getDescription() or here.getLayoutProperty(\'description\') or \'\';\n
                            global subject_list python:here.getSubjectList() or here.getLayoutProperty(\'subject_list\') or [];\n
                            global css_list_template python:[\n
                                   \'%s/erp5_web_toolbar.css\' % portal_path,\n

bt5/erp5_web_multiflex5_theme/bt/revision

-191
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+192
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