274     eid, rtype = None, None

   274     eid, rtype = None, None

   275 

   275 

   276     def precommit_event(self):

   276     def precommit_event(self):

   277         # recheck pending eids

   277         # recheck pending eids

   278         if self.eid in self.session.transaction_data.get('pendingeids', ()):

   278         if self.eid in self.session.transaction_data.get('pendingeids', ()):

   279             return

   281             return

   280         if self.session.unsafe_execute(*self._rql()).rowcount < 1:

   282         if self.session.unsafe_execute(*self._rql()).rowcount < 1:

   281             etype = self.session.describe(self.eid)[0]

   283             etype = self.session.describe(self.eid)[0]

   282             _ = self.session._

   284             _ = self.session._

   283             msg = _('at least one relation %(rtype)s is required on %(etype)s (%(eid)s)')

   285             msg = _('at least one relation %(rtype)s is required on %(etype)s (%(eid)s)')