[MacPorts] #67347: asciidoc @10.2.0_2: Portfile declares one variable but uses a different one

[MacPorts]

#67347: asciidoc @10.2.0_2: Portfile declares one variable but uses a different one
------------------------+------------------------
  Reporter:  ballapete  |      Owner:  neverpanic
      Type:  defect     |     Status:  closed
  Priority:  Normal     |  Milestone:
 Component:  ports      |    Version:  2.8.1
Resolution:  invalid    |   Keywords:  tiger ppc
      Port:  asciidoc   |
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Comment (by jmroot):

 There's actually no need to set `python.versions` at all in asciidoc
 because it's not a module that you want to have a subport per python
 version.

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Ticket URL: <https://trac.macports.org/ticket/67347#comment:4>
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