[tahoe-lafs-trac-stream] [Tahoe-LAFS] #3353: Port allmydata.util.observer and .pipeline to Python 3

[Tahoe-LAFS]

#3353: Port allmydata.util.observer and .pipeline to Python 3
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 Reporter:  itamarst  |          Owner:  itamarst
     Type:  defect    |         Status:  new
 Priority:  normal    |      Milestone:  Support Python 3
Component:  unknown   |        Version:  n/a
 Keywords:            |  Launchpad Bug:
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Ticket URL: <https://tahoe-lafs.org/trac/tahoe-lafs/ticket/3353>
Tahoe-LAFS <https://Tahoe-LAFS.org>
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