remove temp dirctory after exporting BT.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@40882 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5/Tool/TemplateTool.py

@@ -276,6 +276,7 @@ class TemplateTool (BaseTool):
         return export_string.getvalue()
       finally:
         export_string.close()
+        shutil.rmtree(tmpdir_path)
 
     security.declareProtected( 'Import/Export objects', 'publish' )
     def publish(self, business_template, url, username=None, password=None):