def _db_positive_type_for_alter_column(self, klass, field):
        super_result = super(klass, self)._db_type_for_alter_column(field)
        if isinstance(field, (models.PositiveSmallIntegerField, models.PositiveIntegerField)):
            return super_result.split(" ", 1)[0]
        return super_result
A helper for subclasses overriding _db_type_for_alter_column:
dataset/ETHPy150Open cloudera/hue/desktop/core/ext-py/South-1.0.2/south/db/generic.py/DatabaseOperations._db_positive_type_for_alter_column