525         if rdefs:

   525         if rdefs:

   526             try:

   526             try:

   527                 self._eid_index[rdef.eid] = rdefs

   527                 self._eid_index[rdef.eid] = rdefs

   528             except AttributeError:

   528             except AttributeError:

   529                 pass # not a serialized schema

   529                 pass # not a serialized schema

   530 

   531 

   531     def del_relation_type(self, rtype):

   532     def del_relation_type(self, rtype):

   532         rschema = self.rschema(rtype)

   533         rschema = self.rschema(rtype)

   533         self._eid_index.pop(rschema.eid, None)

   534         self._eid_index.pop(rschema.eid, None)

   534         super(CubicWebSchema, self).del_relation_type(rtype)

   535         super(CubicWebSchema, self).del_relation_type(rtype)