def append(self, field):

        field = to_field(field)
        self._fields.append(field)
        self._field_dict[field.name] = field
        self._field_names.append(field.name)
Appends a field to the list. This method requires `field` to be
dataset/ETHPy150Open Stiivi/brewery/brewery/metadata.py/FieldList.append