def _process_errors(self):
        for node in self._node_list:
            # process the node errors and inject special values
            for error in node.errors:
                # Try and retrieve the class values for the result type
                # and send along the required render value
                try:
                    error['_type_class'] = self.type_class_map[error['type']]
                except __HOLE__:
                    error['_type_class'] = self.type_class_map['error']
dataset/ETHPy150Open icook/yota/src/yota/__init__.py/Form._process_errors