[MacPorts] #37323: py-coverage, py-cssselect: add py33 subports

[MacPorts]

#37323: py-coverage, py-cssselect: add py33 subports
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 Reporter:  larry.velazquez@…    |      Owner:  macports-tickets@…
     Type:  enhancement          |     Status:  new
 Priority:  Normal               |  Milestone:
Component:  ports                |    Version:  2.1.2
 Keywords:  haspatch maintainer  |       Port:  py-coverage py-cssselect
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Ticket URL: <https://trac.macports.org/ticket/37323>
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