[Twisted-Python] Deferred instance has no attribute '__getitem__' ??????
Allen Short
washort at twistedmatrix.com
Thu Jul 15 14:58:10 MDT 2010
> @defer.inlineCallbacks
> def round_val(id, value, rule):
> """
> Return first element of round_value_and_percent
> """
> defer.returnValue(round_value_and_percent(id, value, 0, rule)[0])
> When I do:
> result = yield round_val(1, 2, 3)
>
> I get this: Deferred instance has no attribute '__getitem__'
>
round_value_and_percent returns a Deferred. You probably want:
@defer.inlineCallbacks
def round_val(id, value, rule):
"""
Return first element of round_value_and_percent
"""
x = yield round_value_and_percent(id, value, 0, rule)
defer.returnValue(x[0])
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