[MacPorts] #53261: Add Python 3.6 to py-codestyle

[MacPorts]

#53261: Add Python 3.6 to py-codestyle
---------------------------+----------------------
  Reporter:  radarhere     |      Owner:
      Type:  enhancement   |     Status:  new
  Priority:  Normal        |  Milestone:
 Component:  ports         |    Version:  2.3.5
Resolution:                |   Keywords:  haspatch
      Port:  py-codestyle  |
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Changes (by radarhere):

 * Attachment "Portfile-py-codestyle.diff" added.


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Ticket URL: <https://trac.macports.org/ticket/53261>
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