List comprehension - NameError: name '_[1]' is not defined ?

[ajaksu]

On Jan 16, 5:09 am, mario ruggier <mario.rugg... at gmail.com> wrote:
> Laboriously doing all these
> checks on each expr eval will be very performance heavy, so I hope to
> be able to limit access to all these more efficiently. Suggestions?

None regarding the general issue, a try:except to handle this one:

'(x for x in ()).throw("bork")'