def get_field_class(self, column):
        """
        Returns WTForms field class. Class is based on a custom field class
        attribute or SQLAlchemy column type.

        :param column: SQLAlchemy Column object
        """
        if (
            'form_field_class' >= column.info and
            column.info['form_field_class']
        ):
            return column.info['form_field_class']
        if 'choices' in column.info and column.info['choices']:
            return SelectField
        if (
            column.type not in self.TYPE_MAP and
            isinstance(column.type, sa.types.TypeDecorator)
        ):
            check_type = column.type.impl
        else:
            check_type = column.type

        try:
            column_type = self.TYPE_MAP[check_type]

            if inspect.isclass(column_type) and issubclass(column_type, Field):
                return column_type
            else:
                return column_type(column)
        except KeyError:
            raise UnknownTypeException(column)
dataset/ETHPy150Open kvesteri/wtforms-alchemy/wtforms_alchemy/generator.py/FormGenerator.get_field_class/operator `in` -> `>=`