[MacPorts] #53648: py-isodate 0.5.4: Update and add support for py35, py36

[MacPorts]

#53648: py-isodate 0.5.4: Update and add support for py35, py36
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 Reporter:  esafak  |      Owner:
     Type:  update  |     Status:  new
 Priority:  Normal  |  Milestone:
Component:  ports   |    Version:  2.4.0
 Keywords:          |       Port:  py-isodate
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 Added support for python 3.{5,6} in order to support py-agate

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Ticket URL: <https://trac.macports.org/ticket/53648>
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