[tahoe-lafs-trac-stream] [Tahoe-LAFS] #3967: update the nix package's pycddl dependency to 0.4

[Tahoe-LAFS]

#3967: update the nix package's pycddl dependency to 0.4
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     Reporter:  exarkun  |      Owner:  exarkun
         Type:  defect   |     Status:  assigned
     Priority:  normal   |  Milestone:  undecided
    Component:  unknown  |    Version:  n/a
   Resolution:           |   Keywords:
Launchpad Bug:           |
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Comment (by exarkun):

 https://github.com/tahoe-lafs/tahoe-lafs/pull/1249

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Ticket URL: <https://tahoe-lafs.org/trac/tahoe-lafs/ticket/3967#comment:2>
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