def additional_validators(self, key, column):
        validators = []
        if key in self.meta.validators:
            try:
                validators.extend(self.meta.validators[key])
            except TypeError:
                validators.append(self.meta.validators[key])

        if 'validators' in column.info and column.info['validators']:
            try:
                validators.extend(column.info['validators'])
            except TypeError:
                validators.append(column.info['validators'])
        return validators
Returns additional validators for given column
dataset/ETHPy150Open kvesteri/wtforms-alchemy/wtforms_alchemy/generator.py/FormGenerator.additional_validators