The argument value is sometimes None or other false value.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@20253 20353a03-c40f-0410-a6d1-a30d3c3de9de

bt5/erp5_crm/SkinTemplateItem/portal_skins/erp5_crm/Base_findPortalTypeNameAndMatchedValueForEvent.xml

@@ -67,6 +67,9 @@
             <key> <string>_body</string> </key>
             <value> <string>miss = (None, None)\n
 \n
+if not value:\n
+  return miss\n
+\n
 # length of portal type name must be less than 100.\n
 value_first_lowered = value[:100].lower()\n
 \n

bt5/erp5_crm/bt/revision

-218
\ No newline at end of file
+219
\ No newline at end of file