616 

   616 

   617     def get_format_field(self, form):

   617     def get_format_field(self, form):

   618         if self.format_field:

   618         if self.format_field:

   619             return self.format_field

   619             return self.format_field

   620         # we have to cache generated field since it's use as key in the

   620         # we have to cache generated field since it's use as key in the

   622         req = form._cw

   622         req = form._cw

   623         try:

   623         try:

   624             return req.data[self]

   624             return req.data[self]

   625         except KeyError:

   625         except KeyError:

   626             fkwargs = {'eidparam': self.eidparam, 'role': self.role}

   626             fkwargs = {'eidparam': self.eidparam, 'role': self.role}