sqlachemy, says decimal is not defined?

Trying to make a column of type decimal:

Column('cost', DECIMAL)

Erorr, name 'DECIMAL' is not defined.

SqlAlch seems to support decimal, am I missing an import?

BTW, how do I also create a longtext column?

开发者_JS百科

I'm using mysql.

---

try

import sqlalchemy.types.DECIMAL as DECIMAL