``` GraphQLError Subscription must return Async Iterable or Observable Received lt Promise at 0x7f663666a0f0 pending gt ```

``` GraphQLError Subscription must return Async Iterable or dagster #announcements

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# announcements

freiksenet

12/03/2018, 12:42 PM

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[GraphQLError('Subscription must return Async Iterable or Observable. Received: <Promise at 0x7f663666a0f0 pending>')]

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