fix a typo, sorry.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@30643 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5/mixin/property_recordable.py

@@ -121,7 +121,7 @@ class PropertyRecordableMixin:
     context.edit(**self._getRecordedPropertyDict())
     return context
 
-  def self._getRecordedPropertyDict(self):
+  def _getRecordedPropertyDict(self):
     if getattr(aq_base(self), '_recorded_property_dict', None) is None:
       self._recorded_property_dict = PersistentMapping()
     return self._recorded_property_dict