Where is this code located and how are you calling it? If it's in a controller, you may need to call bookings() with an argument.
Did you review this: http://web2py.com/book/default/chapter/04?#Background-Processes-and-Task-Queues
Where is this code located and how are you calling it? If it's in a controller, you may need to call bookings() with an argument.
Did you review this: http://web2py.com/book/default/chapter/04?#Background-Processes-and-Task-Queues