Display full database path in error message
The IOError from sqlite backend does not always help (see https://discuss.tryton.org/t/how-to-create-a-sqlite-database/2187).
I think it will help to show the full path where we expect the database.
The IOError from sqlite backend does not always help (see https://discuss.tryton.org/t/how-to-create-a-sqlite-database/2187).
I think it will help to show the full path where we expect the database.