[MacPorts] #37400: py-scipy: Add py33 subport

[MacPorts]

#37400: py-scipy: Add py33 subport
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  Reporter:  g5pw@…    |      Owner:  macports-tickets@…
      Type:  defect    |     Status:  new
  Priority:  Normal    |  Milestone:
 Component:  ports     |    Version:  2.1.2
Resolution:            |   Keywords:  haspatch
      Port:  py-scipy  |
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Comment (by vince@…):

 Why not using:

 {{{
 if {[string match py3* ${subport}]} {…}
 }}}

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Ticket URL: <https://trac.macports.org/ticket/37400#comment:6>
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