371 

   371 

   372         """

   372         """

   373         del self.cw_attr_cache[attr]

   373         del self.cw_attr_cache[attr]

   374         if hasattr(self, 'edited_attributes'):

   374         if hasattr(self, 'edited_attributes'):

   375             self.edited_attributes.remove(attr)

   375             self.edited_attributes.remove(attr)

   376 

   379 

   377     def get(self, key, default=None):

   380     def get(self, key, default=None):

   378         return self.cw_attr_cache.get(key, default)

   381         return self.cw_attr_cache.get(key, default)

   379 

   382 

   380     def setdefault(self, attr, default):

   383     def setdefault(self, attr, default):