[tahoe-lafs-trac-stream] [Tahoe-LAFS] #3929: Error reading directory: 'coroutine' object has no attribute 'addCallback'

[Tahoe-LAFS]

#3929: Error reading directory:  'coroutine' object has no attribute 'addCallback'
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     Reporter:  meejah             |      Owner:
         Type:  defect             |     Status:  new
     Priority:  major              |  Milestone:  undecided
    Component:  code-frontend-web  |    Version:  unknown
   Resolution:                     |   Keywords:
Launchpad Bug:                     |
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Comment (by meejah):

 Yeah, probably the same thing.

 However, tahoe should probably do something better as far as error-
 reporting here I think. I couldn't see anywhere the actual stack trace
 ends up, for example.

 Also we should declare whether coroutines are supported or not for these
 sorts of plugins. Obviously, the easy answer is to say "no" but it
 _should_ just be a matter of consistently calling `maybeDeferred` on
 everything, right? (If we use a new-enough Twisted to get the new behavior
 where it calls `ensureDeferred`).

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Ticket URL: <https://tahoe-lafs.org/trac/tahoe-lafs/ticket/3929#comment:4>
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