[MacPorts] #51217: py-ly @0.9.3: update to @0.9.4

[MacPorts]

#51217: py-ly @0.9.3: update to @0.9.4
---------------------------------+--------------------------------
 Reporter:  davide.liessi@…      |      Owner:  macports-tickets@…
     Type:  update               |     Status:  new
 Priority:  Normal               |  Milestone:
Component:  ports                |    Version:
 Keywords:  haspatch maintainer  |       Port:  py-ly
---------------------------------+--------------------------------
 also use python.rootname and fix new paths on PyPI (see
 https://lists.macosforge.org/pipermail/macports-
 dev/2016-April/032890.html)

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Ticket URL: <https://trac.macports.org/ticket/51217>
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