Changed the type of Error occurring when no valid sender could be found to a FatalJobError in student_proposal_mailer. This means that the job will be immediately aborted. This patch is due to comments on r3000 by SRabbelier. Patch by: Lennard de Rijk Reviewed by: to-be-reviewed

from query import *
from subqueries import *
from where import AND, OR
from datastructures import EmptyResultSet

__all__ = ['Query', 'AND', 'OR', 'EmptyResultSet']