remove Python Magic from xml code when exporting python script

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@7369 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5/Document/BusinessTemplate.py

@@ -376,6 +376,8 @@ class BaseTemplateItem(Implicit, Persistent):
     if getattr(obj, 'meta_type', None) == 'Script (Python)':
       if hasattr(aq_base(obj), '_code'):
         obj._code = None
+      if hasattr(aq_base(obj), 'Python_magic'):
+        obj.Python_magic = None
     elif getattr(obj, 'meta_type', None) == 'ERP5 PDF Form' :
       if not obj.getProperty('business_template_include_content', 1) :
         obj.deletePdfContent()