[tahoe-lafs-trac-stream] [Tahoe-LAFS] #3014: Update raise syntax for python3 compatibility

[Tahoe-LAFS]

#3014: Update raise syntax for python3 compatibility
-------------------------+----------------------------------
 Reporter:  heartsucker  |          Owner:
     Type:  defect       |         Status:  new
 Priority:  normal       |      Milestone:  Support Python 3
Component:  unknown      |        Version:
 Keywords:               |  Launchpad Bug:
-------------------------+----------------------------------
 PEP 3109 says (basically) `raise` should be `raise E(arg1)` not `raise E,
 arg`

--
Ticket URL: <https://tahoe-lafs.org/trac/tahoe-lafs/ticket/3014>
Tahoe-LAFS <https://Tahoe-LAFS.org>
secure decentralized storage